201022111122220 has 24 divisors (see below), whose sum is σ = 426019336419600. Its totient is φ = 79671148627392.

The previous prime is 201022111122197. The next prime is 201022111122227. The reversal of 201022111122220 is 22221111220102.

It is not an unprimeable number, because it can be changed into a prime (201022111122227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46105986610 + ... + 46105990969.

It is an arithmetic number, because the mean of its divisors is an integer number (17750805684150).

Almost surely, 2^{201022111122220} is an apocalyptic number.

201022111122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022111122220 is an abundant number, since it is smaller than the sum of its proper divisors (224997225297380).

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

201022111122220 is a wasteful number, since it uses less digits than its factorization.

201022111122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92211977697 (or 92211977695 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201022111122220 its reverse (22221111220102), we get a palindrome (223243222342322).

The spelling of 201022111122220 in words is "two hundred one trillion, twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twenty".