202201013110021 has 4 divisors (see below), whose sum is σ = 202783724963712. Its totient is φ = 201618301256332.

The previous prime is 202201013109917. The next prime is 202201013110121. The reversal of 202201013110021 is 120011310102202.

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 202201013110021 - 2³³ = 202192423175429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202201013109977 and 202201013110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201013110121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291355926325 + ... + 291355927018.

It is an arithmetic number, because the mean of its divisors is an integer number (50695931240928).

Almost surely, 2^{202201013110021} is an apocalyptic number.

It is an amenable number.

202201013110021 is a deficient number, since it is larger than the sum of its proper divisors (582711853691).

202201013110021 is an equidigital number, since it uses as much as digits as its factorization.

202201013110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582711853690.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 202201013110021 its reverse (120011310102202), we get a palindrome (322212323212223).

The spelling of 202201013110021 in words is "two hundred two trillion, two hundred one billion, thirteen million, one hundred ten thousand, twenty-one".