21202011000099 has 12 divisors (see below), whose sum is σ = 31452833135776. Its totient is φ = 13752655783632.

The previous prime is 21202011000077. The next prime is 21202011000113. The reversal of 21202011000099 is 99000011020212.

It is not a de Polignac number, because 21202011000099 - 2³¹ = 21199863516451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202011000019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31834851019 + ... + 31834851684.

Almost surely, 2^{21202011000099} is an apocalyptic number.

21202011000099 is a deficient number, since it is larger than the sum of its proper divisors (10250822135677).

21202011000099 is a wasteful number, since it uses less digits than its factorization.

21202011000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63669702746 (or 63669702743 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 21202011000099 in words is "twenty-one trillion, two hundred two billion, eleven million, ninety-nine", and thus it is an aban number.