402100103100 has 36 divisors (see below), whose sum is σ = 1163409632504. Its totient is φ = 107226694080.

The previous prime is 402100103087. The next prime is 402100103107. The reversal of 402100103100 is 1301001204.

It is a happy number.

It is a super-2 number, since 2×402100103100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402100103107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670166539 + ... + 670167138.

Almost surely, 2^402100103100 is an apocalyptic number.

It is an amenable number.

402100103100 is an abundant number, since it is smaller than the sum of its proper divisors (761309529404).

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

402100103100 is a wasteful number, since it uses less digits than its factorization.

402100103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340333694 (or 1340333687 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 402100103100 its reverse (1301001204), we get a palindrome (403401104304).

The spelling of 402100103100 in words is "four hundred two billion, one hundred million, one hundred three thousand, one hundred".