2220106111556 has 12 divisors (see below), whose sum is σ = 3892971642000. Its totient is φ = 1107828499560.

The previous prime is 2220106111543. The next prime is 2220106111579. The reversal of 2220106111556 is 6551116010222.

It is a super-2 number, since 2×2220106111556² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556136810 + ... + 556140801.

It is an arithmetic number, because the mean of its divisors is an integer number (324414303500).

Almost surely, 2^{2220106111556} is an apocalyptic number.

It is an amenable number.

2220106111556 is a deficient number, since it is larger than the sum of its proper divisors (1672865530444).

2220106111556 is a wasteful number, since it uses less digits than its factorization.

2220106111556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112278114 (or 1112278112 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 2220106111556 in words is "two trillion, two hundred twenty billion, one hundred six million, one hundred eleven thousand, five hundred fifty-six".