210220221021112 has 16 divisors (see below), whose sum is σ = 394179499233360. Its totient is φ = 105105687892224.

The previous prime is 210220221021091. The next prime is 210220221021137. The reversal of 210220221021112 is 211120122022012.

It is a super-2 number, since 2×210220221021112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210220221021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552625273 + ... + 553005544.

It is an arithmetic number, because the mean of its divisors is an integer number (24636218702085).

Almost surely, 2^{210220221021112} is an apocalyptic number.

It is an amenable number.

210220221021112 is a deficient number, since it is larger than the sum of its proper divisors (183959278212248).

210220221021112 is a wasteful number, since it uses less digits than its factorization.

210220221021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105654590 (or 1105654586 counting only the distinct ones).

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

Adding to 210220221021112 its reverse (211120122022012), we get a palindrome (421340343043124).

The spelling of 210220221021112 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".