210202122112011 has 12 divisors (see below), whose sum is σ = 303625561631392. Its totient is φ = 140134621550256.

The previous prime is 210202122111967. The next prime is 210202122112033. The reversal of 210202122112011 is 110211221202012.

210202122112011 is a `hidden beast` number, since 21 + 0 + 20 + 212 + 211 + 201 + 1 = 666.

It is not a de Polignac number, because 210202122112011 - 2¹¹ = 210202122109963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210202122112061) 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, 597870 + ... + 20512476.

Almost surely, 2^{210202122112011} is an apocalyptic number.

210202122112011 is a deficient number, since it is larger than the sum of its proper divisors (93423439519381).

210202122112011 is a wasteful number, since it uses less digits than its factorization.

210202122112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21087410 (or 21087407 counting only the distinct ones).

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

Adding to 210202122112011 its reverse (110211221202012), we get a palindrome (320413343314023).

Subtracting from 210202122112011 its reverse (110211221202012), we obtain a palindrome (99990900909999).

The spelling of 210202122112011 in words is "two hundred ten trillion, two hundred two billion, one hundred twenty-two million, one hundred twelve thousand, eleven".