103100021100 has 144 divisors (see below), whose sum is σ = 348892252800. Its totient is φ = 26046308160.

The previous prime is 103100021069. The next prime is 103100021149. The reversal of 103100021100 is 1120001301.

It is a super-2 number, since 2×103100021100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 953574 + ... + 1056173.

Almost surely, 2^103100021100 is an apocalyptic number.

103100021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103100021100 is an abundant number, since it is smaller than the sum of its proper divisors (245792231700).

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

103100021100 is a wasteful number, since it uses less digits than its factorization.

103100021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009789 (or 2009776 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 103100021100 its reverse (1120001301), we get a palindrome (104220022401).

The spelling of 103100021100 in words is "one hundred three billion, one hundred million, twenty-one thousand, one hundred".