101200021983 has 24 divisors (see below), whose sum is σ = 148217548752. Its totient is φ = 66525729408.

The previous prime is 101200021957. The next prime is 101200022003. The reversal of 101200021983 is 389120002101.

It is not a de Polignac number, because 101200021983 - 2⁹ = 101200021471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200061983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2934760 + ... + 2969042.

It is an arithmetic number, because the mean of its divisors is an integer number (6175731198).

Almost surely, 2^101200021983 is an apocalyptic number.

101200021983 is a deficient number, since it is larger than the sum of its proper divisors (47017526769).

101200021983 is a wasteful number, since it uses less digits than its factorization.

101200021983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38855 (or 38852 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 101200021983 in words is "one hundred one billion, two hundred million, twenty-one thousand, nine hundred eighty-three".