211200020131 has 2 divisors, whose sum is σ = 211200020132. Its totient is φ = 211200020130.

The previous prime is 211200020107. The next prime is 211200020177. The reversal of 211200020131 is 131020002112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211200020131 - 2⁹ = 211200019619 is a prime.

It is a super-2 number, since 2×211200020131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211200000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105600010065 + 105600010066.

It is an arithmetic number, because the mean of its divisors is an integer number (105600010066).

Almost surely, 2^211200020131 is an apocalyptic number.

211200020131 is a deficient number, since it is larger than the sum of its proper divisors (1).

211200020131 is an equidigital number, since it uses as much as digits as its factorization.

211200020131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 211200020131 its reverse (131020002112), we get a palindrome (342220022243).

The spelling of 211200020131 in words is "two hundred eleven billion, two hundred million, twenty thousand, one hundred thirty-one".