1111012120987 has 8 divisors (see below), whose sum is σ = 1148334883200. Its totient is φ = 1073782087680.

The previous prime is 1111012120963. The next prime is 1111012121003. The reversal of 1111012120987 is 7890212101111.

It is a happy number.

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 1111012120987 - 2¹¹ = 1111012118939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111012120927) 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, 23157862 + ... + 23205787.

It is an arithmetic number, because the mean of its divisors is an integer number (143541860400).

Almost surely, 2^{1111012120987} is an apocalyptic number.

1111012120987 is a deficient number, since it is larger than the sum of its proper divisors (37322762213).

1111012120987 is an equidigital number, since it uses as much as digits as its factorization.

1111012120987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46364453.

The product of its (nonzero) digits is 2016, while the sum is 34.

The spelling of 1111012120987 in words is "one trillion, one hundred eleven billion, twelve million, one hundred twenty thousand, nine hundred eighty-seven".