2222011121 has 8 divisors (see below), whose sum is σ = 2425528800. Its totient is φ = 2018746240.

The previous prime is 2222011093. The next prime is 2222011133. The reversal of 2222011121 is 1211102222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222011121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222011096 and 2222011105.

It is not an unprimeable number, because it can be changed into a prime (2222011721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44576 + ... + 80193.

It is an arithmetic number, because the mean of its divisors is an integer number (303191100).

Almost surely, 2^2222011121 is an apocalyptic number.

It is an amenable number.

2222011121 is a deficient number, since it is larger than the sum of its proper divisors (203517679).

2222011121 is a wasteful number, since it uses less digits than its factorization.

2222011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126399.

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

The square root of 2222011121 is about 47138.2129593391. The cubic root of 2222011121 is about 1304.9145574139.

Adding to 2222011121 its reverse (1211102222), we get a palindrome (3433113343).

It can be divided in two parts, 222201 and 1121, that added together give a palindrome (223322).

The spelling of 2222011121 in words is "two billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".