1211201111083 has 2 divisors, whose sum is σ = 1211201111084. Its totient is φ = 1211201111082.

The previous prime is 1211201111051. The next prime is 1211201111101. The reversal of 1211201111083 is 3801111021121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211201111083 - 2⁵ = 1211201111051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211201141083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605600555541 + 605600555542.

It is an arithmetic number, because the mean of its divisors is an integer number (605600555542).

Almost surely, 2^{1211201111083} is an apocalyptic number.

1211201111083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211201111083 is an equidigital number, since it uses as much as digits as its factorization.

1211201111083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 22.

The spelling of 1211201111083 in words is "one trillion, two hundred eleven billion, two hundred one million, one hundred eleven thousand, eighty-three".