20202122210112 has 168 divisors, whose sum is σ = 60853799182176. Its totient is φ = 6399666330624.

The previous prime is 20202122210089. The next prime is 20202122210191. The reversal of 20202122210112 is 21101222120202.

It is a happy number.

20202122210112 is a `hidden beast` number, since 20 + 202 + 122 + 210 + 112 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10105938 + ... + 11938769.

It is an arithmetic number, because the mean of its divisors is an integer number (362224995132).

Almost surely, 2^{20202122210112} is an apocalyptic number.

It is an amenable number.

20202122210112 is an abundant number, since it is smaller than the sum of its proper divisors (40651676972064).

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

20202122210112 is a wasteful number, since it uses less digits than its factorization.

20202122210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22044805 (or 22044792 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20202122210112 its reverse (21101222120202), we get a palindrome (41303344330314).

It can be divided in two parts, 2020212 and 2210112, that added together give a palindrome (4230324).

The spelling of 20202122210112 in words is "twenty trillion, two hundred two billion, one hundred twenty-two million, two hundred ten thousand, one hundred twelve".