2210122201021 has 4 divisors (see below), whose sum is σ = 2525853944032. Its totient is φ = 1894390458012.

The previous prime is 2210122201013. The next prime is 2210122201039. The reversal of 2210122201021 is 1201022210122.

It is a happy number.

2210122201021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2210122201021 - 2³ = 2210122201013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210122200986 and 2210122201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210122501021) 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, 157865871495 + ... + 157865871508.

It is an arithmetic number, because the mean of its divisors is an integer number (631463486008).

Almost surely, 2^{2210122201021} is an apocalyptic number.

It is an amenable number.

2210122201021 is a deficient number, since it is larger than the sum of its proper divisors (315731743011).

2210122201021 is an equidigital number, since it uses as much as digits as its factorization.

2210122201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315731743010.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210122201021 its reverse (1201022210122), we get a palindrome (3411144411143).

The spelling of 2210122201021 in words is "two trillion, two hundred ten billion, one hundred twenty-two million, two hundred one thousand, twenty-one".