131101121223 has 12 divisors (see below), whose sum is σ = 191649832920. Its totient is φ = 86347725936.

The previous prime is 131101121219. The next prime is 131101121231. The reversal of 131101121223 is 322121101131.

It is not a de Polignac number, because 131101121223 - 2² = 131101121219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131101121196 and 131101121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101121213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87751008 + ... + 87752501.

It is an arithmetic number, because the mean of its divisors is an integer number (15970819410).

Almost surely, 2^131101121223 is an apocalyptic number.

131101121223 is a deficient number, since it is larger than the sum of its proper divisors (60548711697).

131101121223 is a wasteful number, since it uses less digits than its factorization.

131101121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175503598 (or 175503595 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 131101121223 its reverse (322121101131), we get a palindrome (453222222354).

The spelling of 131101121223 in words is "one hundred thirty-one billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-three".