2113213011122 has 4 divisors (see below), whose sum is σ = 3169819516686. Its totient is φ = 1056606505560.

The previous prime is 2113213011097. The next prime is 2113213011131. The reversal of 2113213011122 is 2211103123112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2070177093721 + 43035917401 = 1438811^2 + 207451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2113213011094 and 2113213011103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528303252779 + ... + 528303252782.

Almost surely, 2^{2113213011122} is an apocalyptic number.

2113213011122 is a deficient number, since it is larger than the sum of its proper divisors (1056606505564).

2113213011122 is a wasteful number, since it uses less digits than its factorization.

2113213011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056606505563.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2113213011122 its reverse (2211103123112), we get a palindrome (4324316134234).

The spelling of 2113213011122 in words is "two trillion, one hundred thirteen billion, two hundred thirteen million, eleven thousand, one hundred twenty-two".