2021122111201 has 8 divisors (see below), whose sum is σ = 2145658122720. Its totient is φ = 1897213485888.

The previous prime is 2021122111193. The next prime is 2021122111231. The reversal of 2021122111201 is 1021112211202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021122111201 - 2³ = 2021122111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021122111231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156839911 + ... + 156852796.

It is an arithmetic number, because the mean of its divisors is an integer number (268207265340).

Almost surely, 2^{2021122111201} is an apocalyptic number.

It is an amenable number.

2021122111201 is a deficient number, since it is larger than the sum of its proper divisors (124536011519).

2021122111201 is a wasteful number, since it uses less digits than its factorization.

2021122111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313693103.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2021122111201 its reverse (1021112211202), we get a palindrome (3042234322403).

The spelling of 2021122111201 in words is "two trillion, twenty-one billion, one hundred twenty-two million, one hundred eleven thousand, two hundred one".