101331201890056 has 16 divisors (see below), whose sum is σ = 191677384107900. Its totient is φ = 50217232794624.

The previous prime is 101331201890041. The next prime is 101331201890057. The reversal of 101331201890056 is 650098102133101.

It can be written as a sum of positive squares in 2 ways, for example, as 100973035549156 + 358166340900 = 10048534^2 + 598470^2 .

It is not an unprimeable number, because it can be changed into a prime (101331201890057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56046017841 + ... + 56046019648.

Almost surely, 2^{101331201890056} is an apocalyptic number.

It is an amenable number.

101331201890056 is a deficient number, since it is larger than the sum of its proper divisors (90346182217844).

101331201890056 is a wasteful number, since it uses less digits than its factorization.

101331201890056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112092037608 (or 112092037604 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 101331201890056 in words is "one hundred one trillion, three hundred thirty-one billion, two hundred one million, eight hundred ninety thousand, fifty-six".