201122112102021 has 96 divisors (see below), whose sum is σ = 336157855488000. Its totient is φ = 114593597389440.

The previous prime is 201122112101927. The next prime is 201122112102083. The reversal of 201122112102021 is 120201211221102.

201122112102021 is a `hidden beast` number, since 20 + 11 + 221 + 1 + 210 + 202 + 1 = 666.

201122112102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201122112102021 - 2¹³ = 201122112093829 is a prime.

It is a super-2 number, since 2×201122112102021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201122112101985 and 201122112102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122112102221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 187627635 + ... + 188696511.

It is an arithmetic number, because the mean of its divisors is an integer number (3501644328000).

Almost surely, 2^{201122112102021} is an apocalyptic number.

It is an amenable number.

201122112102021 is a deficient number, since it is larger than the sum of its proper divisors (135035743385979).

201122112102021 is a wasteful number, since it uses less digits than its factorization.

201122112102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069679 (or 1069676 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201122112102021 its reverse (120201211221102), we get a palindrome (321323323323123).

The spelling of 201122112102021 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred two thousand, twenty-one".