402253512121102 has 16 divisors (see below), whose sum is σ = 655625418739200. Its totient is φ = 184394649019320.

The previous prime is 402253512121091. The next prime is 402253512121163. The reversal of 402253512121102 is 201121215352204.

It is a super-2 number, since 2×402253512121102² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170735784952 + ... + 170735787307.

It is an arithmetic number, because the mean of its divisors is an integer number (40976588671200).

Almost surely, 2^{402253512121102} is an apocalyptic number.

402253512121102 is a deficient number, since it is larger than the sum of its proper divisors (253371906618098).

402253512121102 is a wasteful number, since it uses less digits than its factorization.

402253512121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341471572311.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 402253512121102 its reverse (201121215352204), we get a palindrome (603374727473306).

The spelling of 402253512121102 in words is "four hundred two trillion, two hundred fifty-three billion, five hundred twelve million, one hundred twenty-one thousand, one hundred two".