10103121100 has 18 divisors (see below), whose sum is σ = 21923773004. Its totient is φ = 4041248400.

The previous prime is 10103121089. The next prime is 10103121101. The reversal of 10103121100 is 112130101.

It is a super-2 number, since 2×10103121100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10103121101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50515506 + ... + 50515705.

Almost surely, 2^10103121100 is an apocalyptic number.

10103121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10103121100 is an abundant number, since it is smaller than the sum of its proper divisors (11820651904).

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

10103121100 is a wasteful number, since it uses less digits than its factorization.

10103121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101031225 (or 101031218 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10103121100 its reverse (112130101), we get a palindrome (10215251201).

Subtracting from 10103121100 its reverse (112130101), we obtain a palindrome (9990990999).

The spelling of 10103121100 in words is "ten billion, one hundred three million, one hundred twenty-one thousand, one hundred".