20001102212199 has 96 divisors (see below), whose sum is σ = 29962689868800. Its totient is φ = 11820893220864.

The previous prime is 20001102212197. The next prime is 20001102212207. The reversal of 20001102212199 is 99121220110002.

It is not a de Polignac number, because 20001102212199 - 2¹ = 20001102212197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001102212197) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 630953652 + ... + 630985350.

It is an arithmetic number, because the mean of its divisors is an integer number (312111352800).

Almost surely, 2^{20001102212199} is an apocalyptic number.

20001102212199 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20001102212199 is a deficient number, since it is larger than the sum of its proper divisors (9961587656601).

20001102212199 is a wasteful number, since it uses less digits than its factorization.

20001102212199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32137 (or 32108 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 20001102212199 in words is "twenty trillion, one billion, one hundred two million, two hundred twelve thousand, one hundred ninety-nine".