100121320402 has 16 divisors (see below), whose sum is σ = 152673407424. Its totient is φ = 49236750000.

The previous prime is 100121320333. The next prime is 100121320423. The reversal of 100121320402 is 204023121001.

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, 1610724 + ... + 1671727.

It is an arithmetic number, because the mean of its divisors is an integer number (9542087964).

Almost surely, 2^100121320402 is an apocalyptic number.

100121320402 is a deficient number, since it is larger than the sum of its proper divisors (52552087022).

100121320402 is a wasteful number, since it uses less digits than its factorization.

100121320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282705.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100121320402 its reverse (204023121001), we get a palindrome (304144441403).

The spelling of 100121320402 in words is "one hundred billion, one hundred twenty-one million, three hundred twenty thousand, four hundred two".