1222222111996 has 6 divisors (see below), whose sum is σ = 2138888696000. Its totient is φ = 611111055996.

The previous prime is 1222222111987. The next prime is 1222222111997. The reversal of 1222222111996 is 6991112222221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222222111997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152777763996 + ... + 152777764003.

Almost surely, 2^{1222222111996} is an apocalyptic number.

It is an amenable number.

1222222111996 is a deficient number, since it is larger than the sum of its proper divisors (916666584004).

1222222111996 is a wasteful number, since it uses less digits than its factorization.

1222222111996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305555528003 (or 305555528001 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The spelling of 1222222111996 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, nine hundred ninety-six".