202011012112122 has 16 divisors (see below), whose sum is σ = 448913360249280. Its totient is φ = 67337004037356.

The previous prime is 202011012112099. The next prime is 202011012112127. The reversal of 202011012112122 is 221211210110202.

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

It is a junction number, because it is equal to n+sod(n) for n = 202011012112095 and 202011012112104.

It is not an unprimeable number, because it can be changed into a prime (202011012112127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870472334318 + ... + 1870472334425.

It is an arithmetic number, because the mean of its divisors is an integer number (28057085015580).

Almost surely, 2^{202011012112122} is an apocalyptic number.

202011012112122 is an abundant number, since it is smaller than the sum of its proper divisors (246902348137158).

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

202011012112122 is a wasteful number, since it uses less digits than its factorization.

202011012112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740944668754 (or 3740944668748 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 202011012112122 its reverse (221211210110202), we get a palindrome (423222222222324).

The spelling of 202011012112122 in words is "two hundred two trillion, eleven billion, twelve million, one hundred twelve thousand, one hundred twenty-two".