2013111202122 has 24 divisors (see below), whose sum is σ = 4361774753700. Its totient is φ = 671031864960.

The previous prime is 2013111202073. The next prime is 2013111202127. The reversal of 2013111202122 is 2212021113102.

2013111202122 is a `hidden beast` number, since 20 + 1 + 311 + 120 + 212 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1530018089721 + 483093112401 = 1236939^2 + 695049^2 .

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 = 2013111202095 and 2013111202104.

It is not an unprimeable number, because it can be changed into a prime (2013111202127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2482972 + ... + 3192392.

Almost surely, 2^{2013111202122} is an apocalyptic number.

It is a pronic number, being equal to 1418841×1418842.

2013111202122 is an abundant number, since it is smaller than the sum of its proper divisors (2348663551578).

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

2013111202122 is a wasteful number, since it uses less digits than its factorization.

2013111202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867078 (or 867075 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2013111202122 its reverse (2212021113102), we get a palindrome (4225132315224).

The spelling of 2013111202122 in words is "two trillion, thirteen billion, one hundred eleven million, two hundred two thousand, one hundred twenty-two".