100421311402 has 48 divisors (see below), whose sum is σ = 162770653440. Its totient is φ = 46376600160.

The previous prime is 100421311391. The next prime is 100421311423. The reversal of 100421311402 is 204113124001.

It is a self number, because there is not a number n which added to its sum of digits gives 100421311402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22498623 + ... + 22503085.

It is an arithmetic number, because the mean of its divisors is an integer number (3391055280).

Almost surely, 2^100421311402 is an apocalyptic number.

100421311402 is a deficient number, since it is larger than the sum of its proper divisors (62349342038).

100421311402 is a wasteful number, since it uses less digits than its factorization.

100421311402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 100421311402 its reverse (204113124001), we get a palindrome (304534435403).

The spelling of 100421311402 in words is "one hundred billion, four hundred twenty-one million, three hundred eleven thousand, four hundred two".