2210142121 has 4 divisors (see below), whose sum is σ = 2411064144. Its totient is φ = 2009220100.

The previous prime is 2210142119. The next prime is 2210142131. The reversal of 2210142121 is 1212410122.

2210142121 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 2210142121 - 2¹ = 2210142119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210142095 and 2210142104.

It is not an unprimeable number, because it can be changed into a prime (2210142101) 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, 100460995 + ... + 100461016.

It is an arithmetic number, because the mean of its divisors is an integer number (602766036).

Almost surely, 2^2210142121 is an apocalyptic number.

It is an amenable number.

2210142121 is a deficient number, since it is larger than the sum of its proper divisors (200922023).

2210142121 is a wasteful number, since it uses less digits than its factorization.

2210142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200922022.

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

The square root of 2210142121 is about 47012.1486533002. The cubic root of 2210142121 is about 1302.5869828430.

Adding to 2210142121 its reverse (1212410122), we get a palindrome (3422552243).

The spelling of 2210142121 in words is "two billion, two hundred ten million, one hundred forty-two thousand, one hundred twenty-one".