202111132211 has 2 divisors, whose sum is σ = 202111132212. Its totient is φ = 202111132210.

The previous prime is 202111132199. The next prime is 202111132241. The reversal of 202111132211 is 112231111202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202111132211 - 2¹⁸ = 202110870067 is a prime.

It is a super-2 number, since 2×202111132211² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202111132211.

It is not a weakly prime, because it can be changed into another prime (202111132241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055566105 + 101055566106.

It is an arithmetic number, because the mean of its divisors is an integer number (101055566106).

Almost surely, 2^202111132211 is an apocalyptic number.

202111132211 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111132211 is an equidigital number, since it uses as much as digits as its factorization.

202111132211 is an evil number, because the sum of its binary digits is even.

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

Adding to 202111132211 its reverse (112231111202), we get a palindrome (314342243413).

The spelling of 202111132211 in words is "two hundred two billion, one hundred eleven million, one hundred thirty-two thousand, two hundred eleven".