1022110111220 has 24 divisors (see below), whose sum is σ = 2341561346208. Its totient is φ = 371676404000.

The previous prime is 1022110111207. The next prime is 1022110111261. The reversal of 1022110111220 is 221110112201.

It is a junction number, because it is equal to n+sod(n) for n = 1022110111195 and 1022110111204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322977306 + ... + 2322977745.

It is an arithmetic number, because the mean of its divisors is an integer number (97565056092).

Almost surely, 2^{1022110111220} is an apocalyptic number.

1022110111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022110111220 is an abundant number, since it is smaller than the sum of its proper divisors (1319451234988).

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

1022110111220 is a wasteful number, since it uses less digits than its factorization.

1022110111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645955071 (or 4645955069 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022110111220 its reverse (221110112201), we get a palindrome (1243220223421).

The spelling of 1022110111220 in words is "one trillion, twenty-two billion, one hundred ten million, one hundred eleven thousand, two hundred twenty".