2021211010199 has 4 divisors (see below), whose sum is σ = 2026544021160. Its totient is φ = 2015877999240.

The previous prime is 2021211010171. The next prime is 2021211010243. The reversal of 2021211010199 is 9910101121202.

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-2021211010199 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 (2021211010139) 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, 2666504912 + ... + 2666505669.

It is an arithmetic number, because the mean of its divisors is an integer number (506636005290).

Almost surely, 2^{2021211010199} is an apocalyptic number.

2021211010199 is a deficient number, since it is larger than the sum of its proper divisors (5333010961).

2021211010199 is an equidigital number, since it uses as much as digits as its factorization.

2021211010199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333010960.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 2021211010199 in words is "two trillion, twenty-one billion, two hundred eleven million, ten thousand, one hundred ninety-nine".