210020011122131 has 24 divisors (see below), whose sum is σ = 259564527274080. Its totient is φ = 166252722362496.

The previous prime is 210020011122113. The next prime is 210020011122149. The reversal of 210020011122131 is 131221110020012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210020011122113) and next prime (210020011122149).

It is not a de Polignac number, because 210020011122131 - 2¹⁴ = 210020011105747 is a prime.

It is a super-2 number, since 2×210020011122131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210020011122431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 977757770 + ... + 977972543.

It is an arithmetic number, because the mean of its divisors is an integer number (10815188636420).

Almost surely, 2^{210020011122131} is an apocalyptic number.

210020011122131 is a deficient number, since it is larger than the sum of its proper divisors (49544516151949).

210020011122131 is a wasteful number, since it uses less digits than its factorization.

210020011122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955730395 (or 1955730372 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 210020011122131 its reverse (131221110020012), we get a palindrome (341241121142143).

The spelling of 210020011122131 in words is "two hundred ten trillion, twenty billion, eleven million, one hundred twenty-two thousand, one hundred thirty-one".