21202100092 has 6 divisors (see below), whose sum is σ = 37103675168. Its totient is φ = 10601050044.

The previous prime is 21202100089. The next prime is 21202100093. The reversal of 21202100092 is 29000120212.

It is a super-3 number, since 3×21202100092³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202100093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2650262508 + ... + 2650262515.

Almost surely, 2^21202100092 is an apocalyptic number.

It is an amenable number.

21202100092 is a deficient number, since it is larger than the sum of its proper divisors (15901575076).

21202100092 is a wasteful number, since it uses less digits than its factorization.

21202100092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300525027 (or 5300525025 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 21202100092 in words is "twenty-one billion, two hundred two million, one hundred thousand, ninety-two".