202010100012221 has 32 divisors (see below), whose sum is σ = 216683503246080. Its totient is φ = 187782034752000.

The previous prime is 202010100012137. The next prime is 202010100012257. The reversal of 202010100012221 is 122210001010202.

It is a cyclic number.

It is not a de Polignac number, because 202010100012221 - 2³⁰ = 202009026270397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202010100012196 and 202010100012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010100012271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102269681 + ... + 104226233.

It is an arithmetic number, because the mean of its divisors is an integer number (6771359476440).

Almost surely, 2^{202010100012221} is an apocalyptic number.

It is an amenable number.

202010100012221 is a deficient number, since it is larger than the sum of its proper divisors (14673403233859).

202010100012221 is a wasteful number, since it uses less digits than its factorization.

202010100012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957157.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202010100012221 its reverse (122210001010202), we get a palindrome (324220101022423).

The spelling of 202010100012221 in words is "two hundred two trillion, ten billion, one hundred million, twelve thousand, two hundred twenty-one".