202122202101 has 16 divisors (see below), whose sum is σ = 272583014400. Its totient is φ = 133210022768.

The previous prime is 202122202091. The next prime is 202122202111. The reversal of 202122202101 is 101202221202.

It is an interprime number because it is at equal distance from previous prime (202122202091) and next prime (202122202111).

It is a cyclic number.

It is not a de Polignac number, because 202122202101 - 2⁷ = 202122201973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122202111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503511 + ... + 811028.

It is an arithmetic number, because the mean of its divisors is an integer number (17036438400).

Almost surely, 2^202122202101 is an apocalyptic number.

It is an amenable number.

202122202101 is a deficient number, since it is larger than the sum of its proper divisors (70460812299).

202122202101 is a wasteful number, since it uses less digits than its factorization.

202122202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315128.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202122202101 its reverse (101202221202), we get a palindrome (303324423303).

The spelling of 202122202101 in words is "two hundred two billion, one hundred twenty-two million, two hundred two thousand, one hundred one".