103221122100 has 36 divisors (see below), whose sum is σ = 298653114144. Its totient is φ = 27525632480.

The previous prime is 103221122083. The next prime is 103221122111. The reversal of 103221122100 is 1221122301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103221122100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172034904 + ... + 172035503.

Almost surely, 2^103221122100 is an apocalyptic number.

103221122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103221122100 is an abundant number, since it is smaller than the sum of its proper divisors (195431992044).

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

103221122100 is a wasteful number, since it uses less digits than its factorization.

103221122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344070424 (or 344070417 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 103221122100 its reverse (1221122301), we get a palindrome (104442244401).

The spelling of 103221122100 in words is "one hundred three billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred".