1102131120987 has 72 divisors (see below), whose sum is σ = 1825861564800. Its totient is φ = 638124125184.

The previous prime is 1102131120971. The next prime is 1102131121001. The reversal of 1102131120987 is 7890211312011.

1102131120987 is a `hidden beast` number, since 110 + 21 + 311 + 209 + 8 + 7 = 666.

It is not a de Polignac number, because 1102131120987 - 2⁴ = 1102131120971 is a prime.

It is a super-2 number, since 2×1102131120987² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1102131120787) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 109344214 + ... + 109354292.

It is an arithmetic number, because the mean of its divisors is an integer number (25359188400).

Almost surely, 2^{1102131120987} is an apocalyptic number.

1102131120987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1102131120987 is a deficient number, since it is larger than the sum of its proper divisors (723730443813).

1102131120987 is a wasteful number, since it uses less digits than its factorization.

1102131120987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357 (or 14341 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

Adding to 1102131120987 its reverse (7890211312011), we get a palindrome (8992342432998).

The spelling of 1102131120987 in words is "one trillion, one hundred two billion, one hundred thirty-one million, one hundred twenty thousand, nine hundred eighty-seven".