100230055121 has 24 divisors (see below), whose sum is σ = 122909081760. Its totient is φ = 81271512000.

The previous prime is 100230055117. The next prime is 100230055127. The reversal of 100230055121 is 121550032001.

It is a happy number.

It is not a de Polignac number, because 100230055121 - 2² = 100230055117 is a prime.

It is a super-3 number, since 3×100230055121³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100230055093 and 100230055102.

It is not an unprimeable number, because it can be changed into a prime (100230055127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565421 + ... + 721221.

It is an arithmetic number, because the mean of its divisors is an integer number (5121211740).

Almost surely, 2^100230055121 is an apocalyptic number.

It is an amenable number.

100230055121 is a deficient number, since it is larger than the sum of its proper divisors (22679026639).

100230055121 is a wasteful number, since it uses less digits than its factorization.

100230055121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156525 (or 156518 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 100230055121 its reverse (121550032001), we get a palindrome (221780087122).

The spelling of 100230055121 in words is "one hundred billion, two hundred thirty million, fifty-five thousand, one hundred twenty-one".