2211222012112 has 40 divisors (see below), whose sum is σ = 4295640998880. Its totient is φ = 1102672521600.

The previous prime is 2211222012107. The next prime is 2211222012121. The reversal of 2211222012112 is 2112102221122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211222012112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11723383 + ... + 11910505.

It is an arithmetic number, because the mean of its divisors is an integer number (107391024972).

Almost surely, 2^{2211222012112} is an apocalyptic number.

It is an amenable number.

2211222012112 is a deficient number, since it is larger than the sum of its proper divisors (2084418986768).

2211222012112 is a wasteful number, since it uses less digits than its factorization.

2211222012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189091 (or 189085 counting only the distinct ones).

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

Adding to 2211222012112 its reverse (2112102221122), we get a palindrome (4323324233234).

The spelling of 2211222012112 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, twelve thousand, one hundred twelve".