220101120105 has 32 divisors (see below), whose sum is σ = 354001950720. Its totient is φ = 116775207360.

The previous prime is 220101120097. The next prime is 220101120149. The reversal of 220101120105 is 501021101022.

It is not a de Polignac number, because 220101120105 - 2³ = 220101120097 is a prime.

It is a super-2 number, since 2×220101120105² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2637754 + ... + 2719916.

It is an arithmetic number, because the mean of its divisors is an integer number (11062560960).

Almost surely, 2^220101120105 is an apocalyptic number.

It is an amenable number.

220101120105 is a deficient number, since it is larger than the sum of its proper divisors (133900830615).

220101120105 is a wasteful number, since it uses less digits than its factorization.

220101120105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83101.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 220101120105 its reverse (501021101022), we get a palindrome (721122221127).

The spelling of 220101120105 in words is "two hundred twenty billion, one hundred one million, one hundred twenty thousand, one hundred five".