202221001210202 has 16 divisors (see below), whose sum is σ = 328597621454760. Its totient is φ = 93332769787296.

The previous prime is 202221001210177. The next prime is 202221001210211. The reversal of 202221001210202 is 202012100122202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2699189412241 + 199521811797961 = 1642921^2 + 14125219^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23011033523 + ... + 23011042310.

Almost surely, 2^{202221001210202} is an apocalyptic number.

202221001210202 is a deficient number, since it is larger than the sum of its proper divisors (126376620244558).

202221001210202 is an equidigital number, since it uses as much as digits as its factorization.

202221001210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46022075874 (or 46022075848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202221001210202 its reverse (202012100122202), we get a palindrome (404233101332404).

The spelling of 202221001210202 in words is "two hundred two trillion, two hundred twenty-one billion, one million, two hundred ten thousand, two hundred two".