2021000011097 has 16 divisors (see below), whose sum is σ = 2052072418752. Its totient is φ = 1990157716800.

The previous prime is 2021000011091. The next prime is 2021000011133. The reversal of 2021000011097 is 7901100001202.

It is a cyclic number.

It is not a de Polignac number, because 2021000011097 - 2²⁴ = 2020983233881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021000011091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183271898 + ... + 183282924.

It is an arithmetic number, because the mean of its divisors is an integer number (128254526172).

Almost surely, 2^{2021000011097} is an apocalyptic number.

It is an amenable number.

2021000011097 is a deficient number, since it is larger than the sum of its proper divisors (31072407655).

2021000011097 is a wasteful number, since it uses less digits than its factorization.

2021000011097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21208.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 2021000011097 its reverse (7901100001202), we get a palindrome (9922100012299).

The spelling of 2021000011097 in words is "two trillion, twenty-one billion, eleven thousand, ninety-seven".