2102202122211 has 6 divisors (see below), whose sum is σ = 3036514176540. Its totient is φ = 1401468081468.

The previous prime is 2102202122177. The next prime is 2102202122227. The reversal of 2102202122211 is 1122212022012.

It is a happy number.

2102202122211 is a `hidden beast` number, since 2 + 10 + 220 + 212 + 221 + 1 = 666.

It is not a de Polignac number, because 2102202122211 - 2¹⁴ = 2102202105827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102202122291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116789006781 + ... + 116789006798.

It is an arithmetic number, because the mean of its divisors is an integer number (506085696090).

Almost surely, 2^{2102202122211} is an apocalyptic number.

2102202122211 is a deficient number, since it is larger than the sum of its proper divisors (934312054329).

2102202122211 is a wasteful number, since it uses less digits than its factorization.

2102202122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233578013585 (or 233578013582 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2102202122211 its reverse (1122212022012), we get a palindrome (3224414144223).

The spelling of 2102202122211 in words is "two trillion, one hundred two billion, two hundred two million, one hundred twenty-two thousand, two hundred eleven".