202202002201021 has 16 divisors (see below), whose sum is σ = 219900711139840. Its totient is φ = 185219661864960.

The previous prime is 202202002201009. The next prime is 202202002201027. The reversal of 202202002201021 is 120102200202202.

It is a cyclic number.

It is not a de Polignac number, because 202202002201021 - 2⁷ = 202202002200893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202202002200986 and 202202002201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202002201027) 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, 148192140 + ... + 149550373.

It is an arithmetic number, because the mean of its divisors is an integer number (13743794446240).

Almost surely, 2^{202202002201021} is an apocalyptic number.

It is an amenable number.

202202002201021 is a deficient number, since it is larger than the sum of its proper divisors (17698708938819).

202202002201021 is a wasteful number, since it uses less digits than its factorization.

202202002201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297743716.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202202002201021 its reverse (120102200202202), we get a palindrome (322304202403223).

The spelling of 202202002201021 in words is "two hundred two trillion, two hundred two billion, two million, two hundred one thousand, twenty-one".