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121013100211020 = 22358922661629253
BaseRepresentation
bin11011100000111110001110…
…110110011110101101001100
3120212110201222000120010120020
4123200332032312132231030
5111330134312123223040
61105212352322222140
734326623301662223
oct3340761666365514
9525421860503506
10121013100211020
113561640529a586
12116a51964b4950
13526a642782a64
1421c50cb289cba
15decc66015cd0
hex6e0f8ed9eb4c

121013100211020 has 48 divisors (see below), whose sum is σ = 342643834320480. Its totient is φ = 31907573986816.

The previous prime is 121013100211009. The next prime is 121013100211021. The reversal of 121013100211020 is 20112001310121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (121013100211021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11330809287 + ... + 11330819966.

It is an arithmetic number, because the mean of its divisors is an integer number (7138413215010).

Almost surely, 2121013100211020 is an apocalyptic number.

121013100211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121013100211020 is an abundant number, since it is smaller than the sum of its proper divisors (221630734109460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121013100211020 is a wasteful number, since it uses less digits than its factorization.

121013100211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22661629354 (or 22661629352 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121013100211020 its reverse (20112001310121), we get a palindrome (141125101521141).

The spelling of 121013100211020 in words is "one hundred twenty-one trillion, thirteen billion, one hundred million, two hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 22661629253 45323258506 67984887759 90646517012 113308146265 135969775518 226616292530 271939551036 339924438795 453232585060 679848877590 1359697755180 2016885003517 4033770007034 6050655010551 8067540014068 10084425017585 12101310021102 20168850035170 24202620042204 30253275052755 40337700070340 60506550105510 121013100211020