2021000120092 has 6 divisors (see below), whose sum is σ = 3536750210168. Its totient is φ = 1010500060044.

The previous prime is 2021000119981. The next prime is 2021000120093. The reversal of 2021000120092 is 2900210001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021000120093) 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 as a sum of consecutive naturals, namely, 252625015008 + ... + 252625015015.

Almost surely, 2^{2021000120092} is an apocalyptic number.

It is an amenable number.

2021000120092 is a deficient number, since it is larger than the sum of its proper divisors (1515750090076).

2021000120092 is a wasteful number, since it uses less digits than its factorization.

2021000120092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505250030027 (or 505250030025 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2021000120092 its reverse (2900210001202), we get a palindrome (4921210121294).

The spelling of 2021000120092 in words is "two trillion, twenty-one billion, one hundred twenty thousand, ninety-two".