220010122111 has 16 divisors (see below), whose sum is σ = 239733714528. Its totient is φ = 200699366400.

The previous prime is 220010122061. The next prime is 220010122117. The reversal of 220010122111 is 111221010022.

It is not a de Polignac number, because 220010122111 - 2¹⁷ = 220009991039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220010122091 and 220010122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010122117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142395 + ... + 678451.

It is an arithmetic number, because the mean of its divisors is an integer number (14983357158).

Almost surely, 2^220010122111 is an apocalyptic number.

220010122111 is a deficient number, since it is larger than the sum of its proper divisors (19723592417).

220010122111 is a wasteful number, since it uses less digits than its factorization.

220010122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536442.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220010122111 its reverse (111221010022), we get a palindrome (331231132133).

The spelling of 220010122111 in words is "two hundred twenty billion, ten million, one hundred twenty-two thousand, one hundred eleven".