1211019002939 has 2 divisors, whose sum is σ = 1211019002940. Its totient is φ = 1211019002938.

The previous prime is 1211019002917. The next prime is 1211019002971. The reversal of 1211019002939 is 9392009101121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211019002939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211019002909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605509501469 + 605509501470.

It is an arithmetic number, because the mean of its divisors is an integer number (605509501470).

Almost surely, 2^{1211019002939} is an apocalyptic number.

1211019002939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211019002939 is an equidigital number, since it uses as much as digits as its factorization.

1211019002939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 1211019002939 in words is "one trillion, two hundred eleven billion, nineteen million, two thousand, nine hundred thirty-nine".