1201111220039 has 2 divisors, whose sum is σ = 1201111220040. Its totient is φ = 1201111220038.

The previous prime is 1201111220003. The next prime is 1201111220137. The reversal of 1201111220039 is 9300221111021.

It is a weak prime.

It is an emirp because it is prime and its reverse (9300221111021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201111220039 - 2²⁰ = 1201110171463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201111219996 and 1201111220023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201111220339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600555610019 + 600555610020.

It is an arithmetic number, because the mean of its divisors is an integer number (600555610020).

Almost surely, 2^{1201111220039} is an apocalyptic number.

1201111220039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201111220039 is an equidigital number, since it uses as much as digits as its factorization.

1201111220039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 1201111220039 in words is "one trillion, two hundred one billion, one hundred eleven million, two hundred twenty thousand, thirty-nine".