2202110201021 has 4 divisors (see below), whose sum is σ = 2202113741052. Its totient is φ = 2202106660992.

The previous prime is 2202110201017. The next prime is 2202110201041. The reversal of 2202110201021 is 1201020112022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76970179225 + 2125140021796 = 277435^2 + 1457786^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202110201021 - 2² = 2202110201017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202110200987 and 2202110201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202110201041) 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, 562196 + ... + 2172621.

It is an arithmetic number, because the mean of its divisors is an integer number (550528435263).

Almost surely, 2^{2202110201021} is an apocalyptic number.

It is an amenable number.

2202110201021 is a deficient number, since it is larger than the sum of its proper divisors (3540031).

2202110201021 is an equidigital number, since it uses as much as digits as its factorization.

2202110201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540030.

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

Adding to 2202110201021 its reverse (1201020112022), we get a palindrome (3403130313043).

The spelling of 2202110201021 in words is "two trillion, two hundred two billion, one hundred ten million, two hundred one thousand, twenty-one".