2222212222111 has 12 divisors (see below), whose sum is σ = 2674161085320. Its totient is φ = 1839072182640.

The previous prime is 2222212222091. The next prime is 2222212222147. The reversal of 2222212222111 is 1112222122222.

It is not a de Polignac number, because 2222212222111 - 2¹³ = 2222212213919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222212222411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781917025 + ... + 781919866.

It is an arithmetic number, because the mean of its divisors is an integer number (222846757110).

Almost surely, 2^{2222212222111} is an apocalyptic number.

2222212222111 is a deficient number, since it is larger than the sum of its proper divisors (451948863209).

2222212222111 is a wasteful number, since it uses less digits than its factorization.

2222212222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563836934 (or 1563836927 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

Adding to 2222212222111 its reverse (1112222122222), we get a palindrome (3334434344333).

The spelling of 2222212222111 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred eleven".