2211101100987 has 16 divisors (see below), whose sum is σ = 2949245382528. Its totient is φ = 1473512237120.

The previous prime is 2211101100947. The next prime is 2211101101061. The reversal of 2211101100987 is 7890011011122.

It is a cyclic number.

It is not a de Polignac number, because 2211101100987 - 2⁸ = 2211101100731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211101100937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113771023 + ... + 113790455.

It is an arithmetic number, because the mean of its divisors is an integer number (184327836408).

Almost surely, 2^{2211101100987} is an apocalyptic number.

2211101100987 is a deficient number, since it is larger than the sum of its proper divisors (738144281541).

2211101100987 is a wasteful number, since it uses less digits than its factorization.

2211101100987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31770.

The product of its (nonzero) digits is 2016, while the sum is 33.

The spelling of 2211101100987 in words is "two trillion, two hundred eleven billion, one hundred one million, one hundred thousand, nine hundred eighty-seven".