131021332332222 has 16 divisors (see below), whose sum is σ = 270495653847552. Its totient is φ = 42264945913560.

The previous prime is 131021332332199. The next prime is 131021332332299. The reversal of 131021332332222 is 222233233120131.

It is a super-2 number, since 2×131021332332222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131021332332222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352207882428 + ... + 352207882799.

It is an arithmetic number, because the mean of its divisors is an integer number (16905978365472).

Almost surely, 2^{131021332332222} is an apocalyptic number.

131021332332222 is an abundant number, since it is smaller than the sum of its proper divisors (139474321515330).

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

131021332332222 is a wasteful number, since it uses less digits than its factorization.

131021332332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704415765263.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 131021332332222 its reverse (222233233120131), we get a palindrome (353254565452353).

The spelling of 131021332332222 in words is "one hundred thirty-one trillion, twenty-one billion, three hundred thirty-two million, three hundred thirty-two thousand, two hundred twenty-two".