22201020112122 has 12 divisors (see below), whose sum is σ = 48102210242970. Its totient is φ = 7400340037368.

The previous prime is 22201020112121. The next prime is 22201020112127. The reversal of 22201020112122 is 22121102010222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15470778090681 + 6730242021441 = 3933291^2 + 2594271^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1233390006229 = 22201020112122 / (2 + 2 + 2 + 0 + 1 + 0 + 2 + 0 + 1 + 1 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22201020112095 and 22201020112104.

It is not an unprimeable number, because it can be changed into a prime (22201020112121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616695003097 + ... + 616695003132.

Almost surely, 2^{22201020112122} is an apocalyptic number.

22201020112122 is an abundant number, since it is smaller than the sum of its proper divisors (25901190130848).

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

22201020112122 is a wasteful number, since it uses less digits than its factorization.

22201020112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233390006237 (or 1233390006234 counting only the distinct ones).

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

Adding to 22201020112122 its reverse (22121102010222), we get a palindrome (44322122122344).

The spelling of 22201020112122 in words is "twenty-two trillion, two hundred one billion, twenty million, one hundred twelve thousand, one hundred twenty-two".