220010121111 has 32 divisors (see below), whose sum is σ = 332163127296. Its totient is φ = 128325168000.

The previous prime is 220010121053. The next prime is 220010121139. The reversal of 220010121111 is 111121010022.

It is not a de Polignac number, because 220010121111 - 2⁶ = 220010121047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010120111) 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, 408936 + ... + 779261.

It is an arithmetic number, because the mean of its divisors is an integer number (10380097728).

Almost surely, 2^220010121111 is an apocalyptic number.

220010121111 is a deficient number, since it is larger than the sum of its proper divisors (112153006185).

220010121111 is a wasteful number, since it uses less digits than its factorization.

220010121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188423.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220010121111 its reverse (111121010022), we get a palindrome (331131131133).

The spelling of 220010121111 in words is "two hundred twenty billion, ten million, one hundred twenty-one thousand, one hundred eleven".