101331202025128 has 16 divisors (see below), whose sum is σ = 189998061706080. Its totient is φ = 50665052236848.

The previous prime is 101331202025111. The next prime is 101331202025129. The reversal of 101331202025128 is 821520202133101.

It is a self number, because there is not a number n which added to its sum of digits gives 101331202025128.

It is not an unprimeable number, because it can be changed into a prime (101331202025129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67811676 + ... + 69289867.

It is an arithmetic number, because the mean of its divisors is an integer number (11874878856630).

Almost surely, 2^{101331202025128} is an apocalyptic number.

It is an amenable number.

101331202025128 is a deficient number, since it is larger than the sum of its proper divisors (88666859680952).

101331202025128 is a wasteful number, since it uses less digits than its factorization.

101331202025128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137193936 (or 137193932 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 101331202025128 its reverse (821520202133101), we get a palindrome (922851404158229).

The spelling of 101331202025128 in words is "one hundred one trillion, three hundred thirty-one billion, two hundred two million, twenty-five thousand, one hundred twenty-eight".