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122020020200221 = 1113853286854547
BaseRepresentation
bin11011101111100111111111…
…111101011010001100011101
3121000001000000000011102122121
4123233213333331122030131
5111443134000132401341
61111303120132142541
734462440564451003
oct3357477775321435
9530030000142577
10122020020200221
1135974444390810
1211828369a67a51
1353115915bc260
14221bb2c782a73
15e1904a03e4d1
hex6ef9fff5a31d

122020020200221 has 8 divisors (see below), whose sum is σ = 143352191564064. Its totient is φ = 102394422545520.

The previous prime is 122020020200171. The next prime is 122020020200231. The reversal of 122020020200221 is 122002020020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122020020200221 - 27 = 122020020200093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122020020200195 and 122020020200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020020200231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426643427131 + ... + 426643427416.

It is an arithmetic number, because the mean of its divisors is an integer number (17919023945508).

Almost surely, 2122020020200221 is an apocalyptic number.

122020020200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122020020200221 is a deficient number, since it is larger than the sum of its proper divisors (21332171363843).

122020020200221 is a wasteful number, since it uses less digits than its factorization.

122020020200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853286854571.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122020020200221 its reverse (122002020020221), we get a palindrome (244022040220442).

The spelling of 122020020200221 in words is "one hundred twenty-two trillion, twenty billion, twenty million, two hundred thousand, two hundred twenty-one".

Divisors: 1 11 13 143 853286854547 9386155400017 11092729109111 122020020200221