20221102112212 has 12 divisors (see below), whose sum is σ = 37468512737460. Its totient is φ = 9515812758656.

The previous prime is 20221102112209. The next prime is 20221102112231. The reversal of 20221102112212 is 21221120112202.

It can be written as a sum of positive squares in 2 ways, for example, as 17077275241156 + 3143826871056 = 4132466^2 + 1773084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20221102112212.

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, 148684574287 + ... + 148684574422.

It is an arithmetic number, because the mean of its divisors is an integer number (3122376061455).

Almost surely, 2^{20221102112212} is an apocalyptic number.

It is an amenable number.

20221102112212 is a deficient number, since it is larger than the sum of its proper divisors (17247410625248).

20221102112212 is a wasteful number, since it uses less digits than its factorization.

20221102112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297369148730 (or 297369148728 counting only the distinct ones).

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

Adding to 20221102112212 its reverse (21221120112202), we get a palindrome (41442222224414).

The spelling of 20221102112212 in words is "twenty trillion, two hundred twenty-one billion, one hundred two million, one hundred twelve thousand, two hundred twelve".