1111210019979 has 8 divisors (see below), whose sum is σ = 1481620308480. Its totient is φ = 740803205736.

The previous prime is 1111210019971. The next prime is 1111210019999. The reversal of 1111210019979 is 9799100121111.

It is a happy number.

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

It is not a de Polignac number, because 1111210019979 - 2³ = 1111210019971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111210019979.

It is not an unprimeable number, because it can be changed into a prime (1111210019971) 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, 2542 + ... + 1490780.

It is an arithmetic number, because the mean of its divisors is an integer number (185202538560).

Almost surely, 2^{1111210019979} is an apocalyptic number.

1111210019979 is a deficient number, since it is larger than the sum of its proper divisors (370410288501).

1111210019979 is a wasteful number, since it uses less digits than its factorization.

1111210019979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737129.

The product of its (nonzero) digits is 10206, while the sum is 42.

The spelling of 1111210019979 in words is "one trillion, one hundred eleven billion, two hundred ten million, nineteen thousand, nine hundred seventy-nine".