202202101110021 has 16 divisors (see below), whose sum is σ = 275405555174400. Its totient is φ = 131901409807088.

The previous prime is 202202101110013. The next prime is 202202101110047. The reversal of 202202101110021 is 120011101202202.

It is a cyclic number.

It is not a de Polignac number, because 202202101110021 - 2³ = 202202101110013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202101110011) 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, 172653591 + ... + 173820788.

It is an arithmetic number, because the mean of its divisors is an integer number (17212847198400).

Almost surely, 2^{202202101110021} is an apocalyptic number.

It is an amenable number.

202202101110021 is a deficient number, since it is larger than the sum of its proper divisors (73203454064379).

202202101110021 is a wasteful number, since it uses less digits than its factorization.

202202101110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346478568.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202202101110021 its reverse (120011101202202), we get a palindrome (322213202312223).

The spelling of 202202101110021 in words is "two hundred two trillion, two hundred two billion, one hundred one million, one hundred ten thousand, twenty-one".