103221021204 has 72 divisors (see below), whose sum is σ = 298263842240. Its totient is φ = 29484819072.

The previous prime is 103221021097. The next prime is 103221021217. The reversal of 103221021204 is 402120122301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1084032 + ... + 1175400.

Almost surely, 2^103221021204 is an apocalyptic number.

103221021204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103221021204 is an abundant number, since it is smaller than the sum of its proper divisors (195042821036).

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

103221021204 is a wasteful number, since it uses less digits than its factorization.

103221021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95869 (or 95864 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 103221021204 its reverse (402120122301), we get a palindrome (505341143505).

The spelling of 103221021204 in words is "one hundred three billion, two hundred twenty-one million, twenty-one thousand, two hundred four".