220000100222100 has 72 divisors (see below), whose sum is σ = 694400316347808. Its totient is φ = 53333357628800.

The previous prime is 220000100222093. The next prime is 220000100222137. The reversal of 220000100222100 is 1222001000022.

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 23 ways as a sum of consecutive naturals, for example, 33333345219 + ... + 33333351818.

It is an arithmetic number, because the mean of its divisors is an integer number (9644448838164).

Almost surely, 2^{220000100222100} is an apocalyptic number.

220000100222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000100222100 is an abundant number, since it is smaller than the sum of its proper divisors (474400216125708).

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

220000100222100 is a wasteful number, since it uses less digits than its factorization.

220000100222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66666697065 (or 66666697058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220000100222100 its reverse (1222001000022), we get a palindrome (221222101222122).

The spelling of 220000100222100 in words is "two hundred twenty trillion, one hundred million, two hundred twenty-two thousand, one hundred".