131103222011212 has 72 divisors (see below), whose sum is σ = 265477367298528. Its totient is φ = 56496963156480.

The previous prime is 131103222011191. The next prime is 131103222011213. The reversal of 131103222011212 is 212110222301131.

It is a happy number.

It is a super-2 number, since 2×131103222011212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (131103222011213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50853363 + ... + 53369194.

It is an arithmetic number, because the mean of its divisors is an integer number (3687185656924).

Almost surely, 2^{131103222011212} is an apocalyptic number.

It is an amenable number.

131103222011212 is an abundant number, since it is smaller than the sum of its proper divisors (134374145287316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131103222011212 is a wasteful number, since it uses less digits than its factorization.

131103222011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104222719 (or 104222706 counting only the distinct ones).

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

Adding to 131103222011212 its reverse (212110222301131), we get a palindrome (343213444312343).

The spelling of 131103222011212 in words is "one hundred thirty-one trillion, one hundred three billion, two hundred twenty-two million, eleven thousand, two hundred twelve".