202221202001101 has 16 divisors (see below), whose sum is σ = 203003347741488. Its totient is φ = 201439703065600.

The previous prime is 202221202001053. The next prime is 202221202001141. The reversal of 202221202001101 is 101100202122202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10193805815076 + 192027396186025 = 3192774^2 + 13857395^2 .

It is a cyclic number.

It is not a de Polignac number, because 202221202001101 - 2⁷ = 202221202000973 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 (202221202001141) 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, 8194711575 + ... + 8194736251.

It is an arithmetic number, because the mean of its divisors is an integer number (12687709233843).

Almost surely, 2^{202221202001101} is an apocalyptic number.

It is an amenable number.

202221202001101 is a deficient number, since it is larger than the sum of its proper divisors (782145740387).

202221202001101 is a wasteful number, since it uses less digits than its factorization.

202221202001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36512.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202221202001101 its reverse (101100202122202), we get a palindrome (303321404123303).

The spelling of 202221202001101 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred two million, one thousand, one hundred one".