2211223311112 has 8 divisors (see below), whose sum is σ = 4146043708350. Its totient is φ = 1105611655552.

The previous prime is 2211223311107. The next prime is 2211223311139. The reversal of 2211223311112 is 2111133221122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1688040168516 + 523183142596 = 1299246^2 + 723314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138201456937 + ... + 138201456952.

Almost surely, 2^{2211223311112} is an apocalyptic number.

It is an amenable number.

2211223311112 is a deficient number, since it is larger than the sum of its proper divisors (1934820397238).

2211223311112 is a wasteful number, since it uses less digits than its factorization.

2211223311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276402913895 (or 276402913891 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

Adding to 2211223311112 its reverse (2111133221122), we get a palindrome (4322356532234).

The spelling of 2211223311112 in words is "two trillion, two hundred eleven billion, two hundred twenty-three million, three hundred eleven thousand, one hundred twelve".