2011100220988 has 48 divisors (see below), whose sum is σ = 3785607705600. Its totient is φ = 931833650880.

The previous prime is 2011100220977. The next prime is 2011100220991. The reversal of 2011100220988 is 8890220011102.

It is a super-2 number, since 2×2011100220988² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6232953 + ... + 6547663.

It is an arithmetic number, because the mean of its divisors is an integer number (78866827200).

Almost surely, 2^{2011100220988} is an apocalyptic number.

It is an amenable number.

2011100220988 is a deficient number, since it is larger than the sum of its proper divisors (1774507484612).

2011100220988 is a wasteful number, since it uses less digits than its factorization.

2011100220988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316570 (or 316568 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 2011100220988 in words is "two trillion, eleven billion, one hundred million, two hundred twenty thousand, nine hundred eighty-eight".