220120021200211 has 32 divisors (see below), whose sum is σ = 251253469790208. Its totient is φ = 190887805194240.

The previous prime is 220120021200161. The next prime is 220120021200251. The reversal of 220120021200211 is 112002120021022.

It is a happy number.

It is not a de Polignac number, because 220120021200211 - 2⁷ = 220120021200083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220120021200251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 908500795 + ... + 908743051.

It is an arithmetic number, because the mean of its divisors is an integer number (7851670930944).

Almost surely, 2^{220120021200211} is an apocalyptic number.

220120021200211 is a deficient number, since it is larger than the sum of its proper divisors (31133448589997).

220120021200211 is a wasteful number, since it uses less digits than its factorization.

220120021200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252051.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220120021200211 its reverse (112002120021022), we get a palindrome (332122141221233).

The spelling of 220120021200211 in words is "two hundred twenty trillion, one hundred twenty billion, twenty-one million, two hundred thousand, two hundred eleven".