220221102001100 has 18 divisors (see below), whose sum is σ = 477879791342604. Its totient is φ = 88088440800400.

The previous prime is 220221102001099. The next prime is 220221102001127. The reversal of 220221102001100 is 1100201122022.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1101105509906 + ... + 1101105510105.

Almost surely, 2^{220221102001100} is an apocalyptic number.

220221102001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221102001100 is an abundant number, since it is smaller than the sum of its proper divisors (257658689341504).

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

220221102001100 is a wasteful number, since it uses less digits than its factorization.

220221102001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202211020025 (or 2202211020018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220221102001100 its reverse (1100201122022), we get a palindrome (221321303123122).

The spelling of 220221102001100 in words is "two hundred twenty trillion, two hundred twenty-one billion, one hundred two million, one thousand, one hundred".