131222042223111 has 160 divisors (see below), whose sum is σ = 243801966925440. Its totient is φ = 68636276121600.

The previous prime is 131222042223073. The next prime is 131222042223127. The reversal of 131222042223111 is 111322240222131.

131222042223111 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 2 + 2 + 0 + 422 + 231 + 1 + 1 = 666.

It is not a de Polignac number, because 131222042223111 - 2⁷ = 131222042222983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222042225111) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 51076341 + ... + 53583921.

It is an arithmetic number, because the mean of its divisors is an integer number (1523762293284).

Almost surely, 2^{131222042223111} is an apocalyptic number.

131222042223111 is a deficient number, since it is larger than the sum of its proper divisors (112579924702329).

131222042223111 is a wasteful number, since it uses less digits than its factorization.

131222042223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507767 (or 2507758 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131222042223111 its reverse (111322240222131), we get a palindrome (242544282445242).

The spelling of 131222042223111 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, forty-two million, two hundred twenty-three thousand, one hundred eleven".