131022123211 has 8 divisors (see below), whose sum is σ = 149819275520. Its totient is φ = 112244897448.

The previous prime is 131022123191. The next prime is 131022123259. The reversal of 131022123211 is 112321220131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131022123211 - 2²⁹ = 130485252299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131022123611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4967541 + ... + 4993846.

It is an arithmetic number, because the mean of its divisors is an integer number (18727409440).

Almost surely, 2^131022123211 is an apocalyptic number.

131022123211 is a deficient number, since it is larger than the sum of its proper divisors (18797152309).

131022123211 is an equidigital number, since it uses as much as digits as its factorization.

131022123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9963273.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131022123211 its reverse (112321220131), we get a palindrome (243343343342).

The spelling of 131022123211 in words is "one hundred thirty-one billion, twenty-two million, one hundred twenty-three thousand, two hundred eleven".