2222011121212 has 24 divisors (see below), whose sum is σ = 4093331555600. Its totient is φ = 1052492196096.

The previous prime is 2222011121201. The next prime is 2222011121219. The reversal of 2222011121212 is 2121211102222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2222011121212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222011121219) 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, 1549738 + ... + 2616430.

Almost surely, 2^{2222011121212} is an apocalyptic number.

It is an amenable number.

2222011121212 is a deficient number, since it is larger than the sum of its proper divisors (1871320434388).

2222011121212 is a wasteful number, since it uses less digits than its factorization.

2222011121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094125 (or 1094123 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2222011121212 its reverse (2121211102222), we get a palindrome (4343222223434).

The spelling of 2222011121212 in words is "two trillion, two hundred twenty-two billion, eleven million, one hundred twenty-one thousand, two hundred twelve".