131121102212 has 12 divisors (see below), whose sum is σ = 230334409536. Its totient is φ = 65311270920.

The previous prime is 131121102197. The next prime is 131121102253. The reversal of 131121102212 is 212201121131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62318864 + ... + 62320967.

It is an arithmetic number, because the mean of its divisors is an integer number (19194534128).

Almost surely, 2^131121102212 is an apocalyptic number.

It is an amenable number.

131121102212 is a deficient number, since it is larger than the sum of its proper divisors (99213307324).

131121102212 is a wasteful number, since it uses less digits than its factorization.

131121102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124640098 (or 124640096 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 131121102212 its reverse (212201121131), we get a palindrome (343322223343).

The spelling of 131121102212 in words is "one hundred thirty-one billion, one hundred twenty-one million, one hundred two thousand, two hundred twelve".