220111121021022 has 192 divisors, whose sum is σ = 619411514641920. Its totient is φ = 54831908966400.

The previous prime is 220111121020871. The next prime is 220111121021039. The reversal of 220111121021022 is 220120121111022.

220111121021022 is a `hidden beast` number, since 220 + 1 + 1 + 1 + 1 + 210 + 210 + 22 = 666.

220111121021022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 220111121020986 and 220111121021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29472883 + ... + 36178350.

It is an arithmetic number, because the mean of its divisors is an integer number (3226101638760).

Almost surely, 2^{220111121021022} is an apocalyptic number.

220111121021022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220111121021022 is an abundant number, since it is smaller than the sum of its proper divisors (399300393620898).

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

220111121021022 is a wasteful number, since it uses less digits than its factorization.

220111121021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65651359 (or 65651356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220111121021022 its reverse (220120121111022), we get a palindrome (440231242132044).

The spelling of 220111121021022 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twenty-one million, twenty-one thousand, twenty-two".