1211010009983 has 2 divisors, whose sum is σ = 1211010009984. Its totient is φ = 1211010009982.

The previous prime is 1211010009883. The next prime is 1211010010037. The reversal of 1211010009983 is 3899000101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211010009983 - 2¹⁸ = 1211009747839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211010009383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605505004991 + 605505004992.

It is an arithmetic number, because the mean of its divisors is an integer number (605505004992).

Almost surely, 2^{1211010009983} is an apocalyptic number.

1211010009983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211010009983 is an equidigital number, since it uses as much as digits as its factorization.

1211010009983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 1211010009983 in words is "one trillion, two hundred eleven billion, ten million, nine thousand, nine hundred eighty-three".