211022120131 has 2 divisors, whose sum is σ = 211022120132. Its totient is φ = 211022120130.

The previous prime is 211022120107. The next prime is 211022120167. The reversal of 211022120131 is 131021220112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211022120131 - 2³¹ = 208874636483 is a prime.

It is a super-2 number, since 2×211022120131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211022120191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511060065 + 105511060066.

It is an arithmetic number, because the mean of its divisors is an integer number (105511060066).

Almost surely, 2^211022120131 is an apocalyptic number.

211022120131 is a deficient number, since it is larger than the sum of its proper divisors (1).

211022120131 is an equidigital number, since it uses as much as digits as its factorization.

211022120131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211022120131 its reverse (131021220112), we get a palindrome (342043340243).

The spelling of 211022120131 in words is "two hundred eleven billion, twenty-two million, one hundred twenty thousand, one hundred thirty-one".