202010110002221 has 4 divisors (see below), whose sum is σ = 202011278734944. Its totient is φ = 202008941269500.

The previous prime is 202010110002199. The next prime is 202010110002251. The reversal of 202010110002221 is 122200011010202.

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 a de Polignac number, because none of the positive numbers 2^k-202010110002221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202010110002196 and 202010110002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010110002251) 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 3 ways as a sum of consecutive naturals, for example, 584107055 + ... + 584452796.

It is an arithmetic number, because the mean of its divisors is an integer number (50502819683736).

Almost surely, 2^{202010110002221} is an apocalyptic number.

It is an amenable number.

202010110002221 is a deficient number, since it is larger than the sum of its proper divisors (1168732723).

202010110002221 is a wasteful number, since it uses less digits than its factorization.

202010110002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168732722.

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

Adding to 202010110002221 its reverse (122200011010202), we get a palindrome (324210121012423).

The spelling of 202010110002221 in words is "two hundred two trillion, ten billion, one hundred ten million, two thousand, two hundred twenty-one".