201122110102021 has 32 divisors (see below), whose sum is σ = 208459520096256. Its totient is φ = 193839814272000.

The previous prime is 201122110102013. The next prime is 201122110102033. The reversal of 201122110102021 is 120201011221102.

It is a cyclic number.

It is not a de Polignac number, because 201122110102021 - 2³ = 201122110102013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201122110101986 and 201122110102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122110102421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19990265331 + ... + 19990275391.

It is an arithmetic number, because the mean of its divisors is an integer number (6514360003008).

Almost surely, 2^{201122110102021} is an apocalyptic number.

It is an amenable number.

201122110102021 is a deficient number, since it is larger than the sum of its proper divisors (7337409994235).

201122110102021 is a wasteful number, since it uses less digits than its factorization.

201122110102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13173.

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

Adding to 201122110102021 its reverse (120201011221102), we get a palindrome (321323121323123).

The spelling of 201122110102021 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred ten million, one hundred two thousand, twenty-one".