202201010010121 has 4 divisors (see below), whose sum is σ = 202470252367744. Its totient is φ = 201931767652500.

The previous prime is 202201010010119. The next prime is 202201010010179. The reversal of 202201010010121 is 121010010102202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202201010010121 - 2¹ = 202201010010119 is a prime.

It is a super-2 number, since 2×202201010010121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202201010010821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134621177685 + ... + 134621179186.

It is an arithmetic number, because the mean of its divisors is an integer number (50617563091936).

Almost surely, 2^{202201010010121} is an apocalyptic number.

It is an amenable number.

202201010010121 is a deficient number, since it is larger than the sum of its proper divisors (269242357623).

202201010010121 is an equidigital number, since it uses as much as digits as its factorization.

202201010010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269242357622.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202201010010121 its reverse (121010010102202), we get a palindrome (323211020112323).

The spelling of 202201010010121 in words is "two hundred two trillion, two hundred one billion, ten million, ten thousand, one hundred twenty-one".