1102221011987 has 8 divisors (see below), whose sum is σ = 1140705987600. Its totient is φ = 1063767860064.

The previous prime is 1102221011981. The next prime is 1102221011999. The reversal of 1102221011987 is 7891101222011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1102221011987 - 2²⁴ = 1102204234771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102221011981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7885433 + ... + 8023994.

It is an arithmetic number, because the mean of its divisors is an integer number (142588248450).

Almost surely, 2^{1102221011987} is an apocalyptic number.

1102221011987 is a deficient number, since it is larger than the sum of its proper divisors (38484975613).

1102221011987 is a wasteful number, since it uses less digits than its factorization.

1102221011987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15911845.

The product of its (nonzero) digits is 4032, while the sum is 35.

Adding to 1102221011987 its reverse (7891101222011), we get a palindrome (8993322233998).

The spelling of 1102221011987 in words is "one trillion, one hundred two billion, two hundred twenty-one million, eleven thousand, nine hundred eighty-seven".