211132421131 has 16 divisors (see below), whose sum is σ = 220174314624. Its totient is φ = 202321442304.

The previous prime is 211132421117. The next prime is 211132421173. The reversal of 211132421131 is 131124231112.

It is a cyclic number.

It is not a de Polignac number, because 211132421131 - 2³⁵ = 176772682763 is a prime.

It is a super-2 number, since 2×211132421131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211132421231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245461 + ... + 694633.

It is an arithmetic number, because the mean of its divisors is an integer number (13760894664).

Almost surely, 2^211132421131 is an apocalyptic number.

211132421131 is a deficient number, since it is larger than the sum of its proper divisors (9041893493).

211132421131 is a wasteful number, since it uses less digits than its factorization.

211132421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449430.

The product of its digits is 288, while the sum is 22.

Adding to 211132421131 its reverse (131124231112), we get a palindrome (342256652243).

The spelling of 211132421131 in words is "two hundred eleven billion, one hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-one".