2021122021119 has 4 divisors (see below), whose sum is σ = 2694829361496. Its totient is φ = 1347414680744.

The previous prime is 2021122021099. The next prime is 2021122021129. The reversal of 2021122021119 is 9111202211202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021122021119 - 2²¹ = 2021119923967 is a prime.

It is a super-2 number, since 2×2021122021119² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021122021129) 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 3 ways as a sum of consecutive naturals, for example, 336853670184 + ... + 336853670189.

It is an arithmetic number, because the mean of its divisors is an integer number (673707340374).

Almost surely, 2^{2021122021119} is an apocalyptic number.

2021122021119 is a deficient number, since it is larger than the sum of its proper divisors (673707340377).

2021122021119 is an equidigital number, since it uses as much as digits as its factorization.

2021122021119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673707340376.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 2021122021119 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twenty-one thousand, one hundred nineteen".