211422201131 has 2 divisors, whose sum is σ = 211422201132. Its totient is φ = 211422201130.

The previous prime is 211422201127. The next prime is 211422201161. The reversal of 211422201131 is 131102224112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211422201131 - 2² = 211422201127 is a prime.

It is a super-2 number, since 2×211422201131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211422201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105711100565 + 105711100566.

It is an arithmetic number, because the mean of its divisors is an integer number (105711100566).

Almost surely, 2^211422201131 is an apocalyptic number.

211422201131 is a deficient number, since it is larger than the sum of its proper divisors (1).

211422201131 is an equidigital number, since it uses as much as digits as its factorization.

211422201131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211422201131 its reverse (131102224112), we get a palindrome (342524425243).

The spelling of 211422201131 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred one thousand, one hundred thirty-one".