100202101009999 has 4 divisors (see below), whose sum is σ = 100202607414664. Its totient is φ = 100201594605336.

The previous prime is 100202101009873. The next prime is 100202101010009. The reversal of 100202101009999 is 999900101202001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100202101009999 is a prime.

It is a super-2 number, since 2×100202101009999² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202101009499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252905412 + ... + 253301305.

It is an arithmetic number, because the mean of its divisors is an integer number (25050651853666).

Almost surely, 2^{100202101009999} is an apocalyptic number.

100202101009999 is a deficient number, since it is larger than the sum of its proper divisors (506404665).

100202101009999 is an equidigital number, since it uses as much as digits as its factorization.

100202101009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506404664.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 100202101009999 in words is "one hundred trillion, two hundred two billion, one hundred one million, nine thousand, nine hundred ninety-nine".