2011100099966 has 32 divisors (see below), whose sum is σ = 3051022076928. Its totient is φ = 994151854080.

The previous prime is 2011100099927. The next prime is 2011100100029. The reversal of 2011100099966 is 6699900011102.

It is a super-2 number, since 2×2011100099966² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 154301786 + ... + 154314818.

It is an arithmetic number, because the mean of its divisors is an integer number (95344439904).

Almost surely, 2^{2011100099966} is an apocalyptic number.

2011100099966 is a deficient number, since it is larger than the sum of its proper divisors (1039921976962).

2011100099966 is a wasteful number, since it uses less digits than its factorization.

2011100099966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15236.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 2011100099966 in words is "two trillion, eleven billion, one hundred million, ninety-nine thousand, nine hundred sixty-six".