2021202112011 has 8 divisors (see below), whose sum is σ = 2853461805264. Its totient is φ = 1268205246720.

The previous prime is 2021202112009. The next prime is 2021202112021. The reversal of 2021202112011 is 1102112021202.

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

It is not a de Polignac number, because 2021202112011 - 2¹ = 2021202112009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021202112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19815706930 + ... + 19815707031.

It is an arithmetic number, because the mean of its divisors is an integer number (356682725658).

Almost surely, 2^{2021202112011} is an apocalyptic number.

2021202112011 is a deficient number, since it is larger than the sum of its proper divisors (832259693253).

2021202112011 is a wasteful number, since it uses less digits than its factorization.

2021202112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39631413981.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2021202112011 its reverse (1102112021202), we get a palindrome (3123314133213).

The spelling of 2021202112011 in words is "two trillion, twenty-one billion, two hundred two million, one hundred twelve thousand, eleven".