20211222001110 has 96 divisors (see below), whose sum is σ = 59745633994080. Its totient is φ = 4347960357888.

The previous prime is 20211222001043. The next prime is 20211222001123. The reversal of 20211222001110 is 1110022211202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20211222001110.

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 47 ways as a sum of consecutive naturals, for example, 404361205 + ... + 404411184.

It is an arithmetic number, because the mean of its divisors is an integer number (622350354105).

Almost surely, 2^{20211222001110} is an apocalyptic number.

20211222001110 is an abundant number, since it is smaller than the sum of its proper divisors (39534411992970).

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

20211222001110 is a wasteful number, since it uses less digits than its factorization.

20211222001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808772430 (or 808772423 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211222001110 its reverse (1110022211202), we get a palindrome (21321244212312).

The spelling of 20211222001110 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-two million, one thousand, one hundred ten".