2202002110021 has 4 divisors (see below), whose sum is σ = 2516573840032. Its totient is φ = 1887430380012.

The previous prime is 2202002110013. The next prime is 2202002110027. The reversal of 2202002110021 is 1200112002022.

It is a happy number.

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 2202002110021 - 2³ = 2202002110013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202002109983 and 2202002110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202002110027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157285864995 + ... + 157285865008.

It is an arithmetic number, because the mean of its divisors is an integer number (629143460008).

Almost surely, 2^{2202002110021} is an apocalyptic number.

It is an amenable number.

2202002110021 is a deficient number, since it is larger than the sum of its proper divisors (314571730011).

2202002110021 is an equidigital number, since it uses as much as digits as its factorization.

2202002110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314571730010.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2202002110021 its reverse (1200112002022), we get a palindrome (3402114112043).

The spelling of 2202002110021 in words is "two trillion, two hundred two billion, two million, one hundred ten thousand, twenty-one".