2101202201999 has 8 divisors (see below), whose sum is σ = 2125194565248. Its totient is φ = 2077290486360.

The previous prime is 2101202201951. The next prime is 2101202202019. The reversal of 2101202201999 is 9991022021012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101202201999 - 2⁸ = 2101202201743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101202201909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20109497 + ... + 20213714.

It is an arithmetic number, because the mean of its divisors is an integer number (265649320656).

Almost surely, 2^{2101202201999} is an apocalyptic number.

2101202201999 is a deficient number, since it is larger than the sum of its proper divisors (23992363249).

2101202201999 is a wasteful number, since it uses less digits than its factorization.

2101202201999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40323805.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 2101202201999 in words is "two trillion, one hundred one billion, two hundred two million, two hundred one thousand, nine hundred ninety-nine".