101202020992 has 32 divisors (see below), whose sum is σ = 201636597780. Its totient is φ = 50595188736.

The previous prime is 101202020981. The next prime is 101202021121. The reversal of 101202020992 is 299020202101.

It can be written as a sum of positive squares in 2 ways, for example, as 94780242496 + 6421778496 = 307864^2 + 80136^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 101202020992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205208 + ... + 1286440.

Almost surely, 2^101202020992 is an apocalyptic number.

It is an amenable number.

101202020992 is a deficient number, since it is larger than the sum of its proper divisors (100434576788).

101202020992 is an frugal number, since it uses more digits than its factorization.

101202020992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90980 (or 90968 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

It can be divided in two parts, 10120202099 and 2, that added together give a palindrome (10120202101).

The spelling of 101202020992 in words is "one hundred one billion, two hundred two million, twenty thousand, nine hundred ninety-two".