220100101202100 has 144 divisors (see below), whose sum is σ = 744723195442688. Its totient is φ = 49138627224960.

The previous prime is 220100101202099. The next prime is 220100101202123. The reversal of 220100101202100 is 1202101001022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1218625654 + ... + 1218806253.

Almost surely, 2^{220100101202100} is an apocalyptic number.

220100101202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220100101202100 is an abundant number, since it is smaller than the sum of its proper divisors (524623094240588).

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

220100101202100 is a wasteful number, since it uses less digits than its factorization.

220100101202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437431974 (or 2437431967 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220100101202100 its reverse (1202101001022), we get a palindrome (221302202203122).

The spelling of 220100101202100 in words is "two hundred twenty trillion, one hundred billion, one hundred one million, two hundred two thousand, one hundred".