1100102220987 has 32 divisors (see below), whose sum is σ = 1863245928960. Its totient is φ = 560698993920.

The previous prime is 1100102220953. The next prime is 1100102220991. The reversal of 1100102220987 is 7890222010011.

It is not a de Polignac number, because 1100102220987 - 2⁷ = 1100102220859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1100102220907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44915562 + ... + 44940047.

It is an arithmetic number, because the mean of its divisors is an integer number (58226435280).

Almost surely, 2^{1100102220987} is an apocalyptic number.

1100102220987 is a deficient number, since it is larger than the sum of its proper divisors (763143707973).

1100102220987 is a wasteful number, since it uses less digits than its factorization.

1100102220987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89855683.

The product of its (nonzero) digits is 4032, while the sum is 33.

Adding to 1100102220987 its reverse (7890222010011), we get a palindrome (8990324230998).

The spelling of 1100102220987 in words is "one trillion, one hundred billion, one hundred two million, two hundred twenty thousand, nine hundred eighty-seven".