2210010121 has 4 divisors (see below), whose sum is σ = 2410920144. Its totient is φ = 2009100100.

The previous prime is 2210010107. The next prime is 2210010133. The reversal of 2210010121 is 1210100122.

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 2210010121 - 2²⁵ = 2176455689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210010098 and 2210010107.

It is not an unprimeable number, because it can be changed into a prime (2210010151) 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, 100454995 + ... + 100455016.

It is an arithmetic number, because the mean of its divisors is an integer number (602730036).

Almost surely, 2^2210010121 is an apocalyptic number.

It is an amenable number.

2210010121 is a deficient number, since it is larger than the sum of its proper divisors (200910023).

2210010121 is a wasteful number, since it uses less digits than its factorization.

2210010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200910022.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2210010121 is about 47010.7447398996. The cubic root of 2210010121 is about 1302.5610501358.

Adding to 2210010121 its reverse (1210100122), we get a palindrome (3420110243).

Subtracting from 2210010121 its reverse (1210100122), we obtain a palindrome (999909999).

It can be divided in two parts, 22100101 and 21, that added together give a palindrome (22100122).

The spelling of 2210010121 in words is "two billion, two hundred ten million, ten thousand, one hundred twenty-one".