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121002321120311 = 161920974729279
BaseRepresentation
bin11011100000110100001100…
…010111100000110000110111
3120212102201010210210120220102
4123200310030113200300313
5111330000223201322221
61105203410545024315
734326062214140621
oct3340641427406067
9525381123716812
10121002321120311
1135611883826154
12116a308862509b
135269615553987
1421c4787881c11
15dec834a6130b
hex6e0d0c5e0c37

121002321120311 has 4 divisors (see below), whose sum is σ = 121002397468800. Its totient is φ = 121002244771824.

The previous prime is 121002321120281. The next prime is 121002321120323. The reversal of 121002321120311 is 113021123200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121002321120311 is a prime.

It is a super-2 number, since 2×1210023211203112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002321120371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35745431 + ... + 38983848.

It is an arithmetic number, because the mean of its divisors is an integer number (30250599367200).

Almost surely, 2121002321120311 is an apocalyptic number.

121002321120311 is a deficient number, since it is larger than the sum of its proper divisors (76348489).

121002321120311 is an equidigital number, since it uses as much as digits as its factorization.

121002321120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76348488.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121002321120311 its reverse (113021123200121), we get a palindrome (234023444320432).

The spelling of 121002321120311 in words is "one hundred twenty-one trillion, two billion, three hundred twenty-one million, one hundred twenty thousand, three hundred eleven".

Divisors: 1 1619209 74729279 121002321120311