1111121039979 has 12 divisors (see below), whose sum is σ = 1606023315000. Its totient is φ = 740253189984.

The previous prime is 1111121039971. The next prime is 1111121039999. The reversal of 1111121039979 is 9799301211111.

It is not a de Polignac number, because 1111121039979 - 2³ = 1111121039971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111121039971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41166594 + ... + 41193575.

It is an arithmetic number, because the mean of its divisors is an integer number (133835276250).

Almost surely, 2^{1111121039979} is an apocalyptic number.

1111121039979 is a deficient number, since it is larger than the sum of its proper divisors (494902275021).

1111121039979 is a wasteful number, since it uses less digits than its factorization.

1111121039979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82361674 (or 82361671 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 45.

The spelling of 1111121039979 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, thirty-nine thousand, nine hundred seventy-nine".