210111002001122 has 16 divisors (see below), whose sum is σ = 316581121190520. Its totient is φ = 104585001383808.

The previous prime is 210111002001029. The next prime is 210111002001139. The reversal of 210111002001122 is 221100200111012.

It can be written as a sum of positive squares in 4 ways, for example, as 202183629518641 + 7927372482481 = 14219129^2 + 2815559^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210111002001097 and 210111002001106.

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, 259540283 + ... + 260348574.

Almost surely, 2^{210111002001122} is an apocalyptic number.

210111002001122 is a deficient number, since it is larger than the sum of its proper divisors (106470119189398).

210111002001122 is a wasteful number, since it uses less digits than its factorization.

210111002001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519889765.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210111002001122 its reverse (221100200111012), we get a palindrome (431211202112134).

The spelling of 210111002001122 in words is "two hundred ten trillion, one hundred eleven billion, two million, one thousand, one hundred twenty-two".