2222101121 has 4 divisors (see below), whose sum is σ = 2238087600. Its totient is φ = 2206114644.

The previous prime is 2222101087. The next prime is 2222101151. The reversal of 2222101121 is 1211012222.

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 2222101121 - 2¹⁸ = 2221838977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222101096 and 2222101105.

It is not an unprimeable number, because it can be changed into a prime (2222101151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993031 + ... + 7993308.

It is an arithmetic number, because the mean of its divisors is an integer number (559521900).

Almost surely, 2^2222101121 is an apocalyptic number.

It is an amenable number.

2222101121 is a deficient number, since it is larger than the sum of its proper divisors (15986479).

2222101121 is a wasteful number, since it uses less digits than its factorization.

2222101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15986478.

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

The square root of 2222101121 is about 47139.1675891715. The cubic root of 2222101121 is about 1304.9321751962.

Adding to 2222101121 its reverse (1211012222), we get a palindrome (3433113343).

It can be divided in two parts, 2222101 and 121, that added together give a palindrome (2222222).

The spelling of 2222101121 in words is "two billion, two hundred twenty-two million, one hundred one thousand, one hundred twenty-one".