220201021122102 has 24 divisors (see below), whose sum is σ = 489996866822736. Its totient is φ = 71416547390736.

The previous prime is 220201021122077. The next prime is 220201021122113. The reversal of 220201021122102 is 201221120102022.

It is a happy number.

220201021122102 is a `hidden beast` number, since 220 + 2 + 0 + 10 + 211 + 221 + 0 + 2 = 666.

It is a super-2 number, since 2×220201021122102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165316081258 + ... + 165316082589.

It is an arithmetic number, because the mean of its divisors is an integer number (20416536117614).

Almost surely, 2^{220201021122102} is an apocalyptic number.

220201021122102 is an abundant number, since it is smaller than the sum of its proper divisors (269795845700634).

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

220201021122102 is a wasteful number, since it uses less digits than its factorization.

220201021122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330632163892 (or 330632163889 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220201021122102 its reverse (201221120102022), we get a palindrome (421422141224124).

The spelling of 220201021122102 in words is "two hundred twenty trillion, two hundred one billion, twenty-one million, one hundred twenty-two thousand, one hundred two".