202201221121110 has 48 divisors (see below), whose sum is σ = 553392815704560. Its totient is φ = 51082413756480.

The previous prime is 202201221121061. The next prime is 202201221121117. The reversal of 202201221121110 is 11121122102202.

202201221121110 is a `hidden beast` number, since 2 + 0 + 220 + 1 + 221 + 1 + 211 + 10 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201221121117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59123162361 + ... + 59123165780.

It is an arithmetic number, because the mean of its divisors is an integer number (11529016993845).

Almost surely, 2^{202201221121110} is an apocalyptic number.

202201221121110 is an abundant number, since it is smaller than the sum of its proper divisors (351191594583450).

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

202201221121110 is a wasteful number, since it uses less digits than its factorization.

202201221121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118246328173 (or 118246328170 counting only the distinct ones).

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

Adding to 202201221121110 its reverse (11121122102202), we get a palindrome (213322343223312).

The spelling of 202201221121110 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred ten".