2221112221876 has 24 divisors (see below), whose sum is σ = 3889300405536. Its totient is φ = 1109883737760.

The previous prime is 2221112221859. The next prime is 2221112221877. The reversal of 2221112221876 is 6781222111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221112221877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51237531 + ... + 51280861.

It is an arithmetic number, because the mean of its divisors is an integer number (162054183564).

Almost surely, 2^{2221112221876} is an apocalyptic number.

It is an amenable number.

2221112221876 is a deficient number, since it is larger than the sum of its proper divisors (1668188183660).

2221112221876 is a wasteful number, since it uses less digits than its factorization.

2221112221876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50799 (or 50797 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The spelling of 2221112221876 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, eight hundred seventy-six".