2021202021099 has 8 divisors (see below), whose sum is σ = 2721618563472. Its totient is φ = 1334126746400.

The previous prime is 2021202021073. The next prime is 2021202021103. The reversal of 2021202021099 is 9901202021202.

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 2021202021099 - 2⁵ = 2021202021067 is a prime.

It is a super-2 number, since 2×2021202021099² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021202021599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335316564 + ... + 3335317169.

It is an arithmetic number, because the mean of its divisors is an integer number (340202320434).

Almost surely, 2^{2021202021099} is an apocalyptic number.

2021202021099 is a deficient number, since it is larger than the sum of its proper divisors (700416542373).

2021202021099 is a wasteful number, since it uses less digits than its factorization.

2021202021099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670633837.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 2021202021099 in words is "two trillion, twenty-one billion, two hundred two million, twenty-one thousand, ninety-nine".