2222111002212 has 18 divisors (see below), whose sum is σ = 5617002811238. Its totient is φ = 740703667392.

The previous prime is 2222111002127. The next prime is 2222111002213. The reversal of 2222111002212 is 2122001112222.

It is a happy number.

2222111002212 is a `hidden beast` number, since 222 + 211 + 10 + 0 + 221 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1495225166436 + 726885835776 = 1222794^2 + 852576^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2222111002213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30862652773 + ... + 30862652844.

Almost surely, 2^{2222111002212} is an apocalyptic number.

It is an amenable number.

2222111002212 is an abundant number, since it is smaller than the sum of its proper divisors (3394891809026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222111002212 is a wasteful number, since it uses less digits than its factorization.

2222111002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61725305627 (or 61725305622 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222111002212 its reverse (2122001112222), we get a palindrome (4344112114434).

The spelling of 2222111002212 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, two thousand, two hundred twelve".