2021001122195 has 16 divisors (see below), whose sum is σ = 2645837002080. Its totient is φ = 1469728550400.

The previous prime is 2021001122183. The next prime is 2021001122237. The reversal of 2021001122195 is 5912211001202.

It is not a de Polignac number, because 2021001122195 - 2¹⁰ = 2021001121171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222116 + ... + 2022705.

It is an arithmetic number, because the mean of its divisors is an integer number (165364812630).

Almost surely, 2^{2021001122195} is an apocalyptic number.

2021001122195 is a deficient number, since it is larger than the sum of its proper divisors (624835879885).

2021001122195 is a wasteful number, since it uses less digits than its factorization.

2021001122195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261206.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 2021001122195 its reverse (5912211001202), we get a palindrome (7933212123397).

The spelling of 2021001122195 in words is "two trillion, twenty-one billion, one million, one hundred twenty-two thousand, one hundred ninety-five".