1101000009979 has 2 divisors, whose sum is σ = 1101000009980. Its totient is φ = 1101000009978.

The previous prime is 1101000009971. The next prime is 1101000010009. The reversal of 1101000009979 is 9799000001011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101000009979 - 2³ = 1101000009971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101000009971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550500004989 + 550500004990.

It is an arithmetic number, because the mean of its divisors is an integer number (550500004990).

Almost surely, 2^{1101000009979} is an apocalyptic number.

1101000009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101000009979 is an equidigital number, since it uses as much as digits as its factorization.

1101000009979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 37.

The spelling of 1101000009979 in words is "one trillion, one hundred one billion, nine thousand, nine hundred seventy-nine".