202022112101 has 4 divisors (see below), whose sum is σ = 213905765772. Its totient is φ = 190138458432.

The previous prime is 202022112053. The next prime is 202022112163. The reversal of 202022112101 is 101211220202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166386489025 + 35635623076 = 407905^2 + 188774^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022112101 - 2²² = 202017917797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022112301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941826810 + ... + 5941826843.

It is an arithmetic number, because the mean of its divisors is an integer number (53476441443).

Almost surely, 2^202022112101 is an apocalyptic number.

It is an amenable number.

202022112101 is a deficient number, since it is larger than the sum of its proper divisors (11883653671).

202022112101 is a wasteful number, since it uses less digits than its factorization.

202022112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883653670.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202022112101 its reverse (101211220202), we get a palindrome (303233332303).

The spelling of 202022112101 in words is "two hundred two billion, twenty-two million, one hundred twelve thousand, one hundred one".