131101220321192 has 16 divisors (see below), whose sum is σ = 268161587020800. Its totient is φ = 59591463782320.

The previous prime is 131101220321179. The next prime is 131101220321221. The reversal of 131101220321192 is 291123022101131.

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, 744893297192 + ... + 744893297367.

It is an arithmetic number, because the mean of its divisors is an integer number (16760099188800).

Almost surely, 2^{131101220321192} is an apocalyptic number.

It is an amenable number.

131101220321192 is an abundant number, since it is smaller than the sum of its proper divisors (137060366699608).

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

131101220321192 is a wasteful number, since it uses less digits than its factorization.

131101220321192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489786594576 (or 1489786594572 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 131101220321192 in words is "one hundred thirty-one trillion, one hundred one billion, two hundred twenty million, three hundred twenty-one thousand, one hundred ninety-two".