100121323204 has 24 divisors (see below), whose sum is σ = 200251558080. Its totient is φ = 42907228896.

The previous prime is 100121323147. The next prime is 100121323223. The reversal of 100121323204 is 402323121001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692127 + ... + 824185.

It is an arithmetic number, because the mean of its divisors is an integer number (8343814920).

Almost surely, 2^100121323204 is an apocalyptic number.

100121323204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100121323204 is an abundant number, since it is smaller than the sum of its proper divisors (100130234876).

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

100121323204 is a wasteful number, since it uses less digits than its factorization.

100121323204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159147 (or 159145 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100121323204 its reverse (402323121001), we get a palindrome (502444444205).

The spelling of 100121323204 in words is "one hundred billion, one hundred twenty-one million, three hundred twenty-three thousand, two hundred four".