20020112112122 has 16 divisors (see below), whose sum is σ = 30219871739712. Its totient is φ = 9946843765920.

The previous prime is 20020112112113. The next prime is 20020112112151. The reversal of 20020112112122 is 22121121102002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020112112122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753779 + ... + 7357382.

It is an arithmetic number, because the mean of its divisors is an integer number (1888741983732).

Almost surely, 2^{20020112112122} is an apocalyptic number.

20020112112122 is a deficient number, since it is larger than the sum of its proper divisors (10199759627590).

20020112112122 is a wasteful number, since it uses less digits than its factorization.

20020112112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116853.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20020112112122 its reverse (22121121102002), we get a palindrome (42141233214124).

The spelling of 20020112112122 in words is "twenty trillion, twenty billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-two".