1101211199939 has 2 divisors, whose sum is σ = 1101211199940. Its totient is φ = 1101211199938.

The previous prime is 1101211199903. The next prime is 1101211200031. The reversal of 1101211199939 is 9399911121011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101211199939 is a prime.

It is a super-2 number, since 2×1101211199939² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101211199893 and 1101211199902.

It is not a weakly prime, because it can be changed into another prime (1101211199839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550605599969 + 550605599970.

It is an arithmetic number, because the mean of its divisors is an integer number (550605599970).

Almost surely, 2^{1101211199939} is an apocalyptic number.

1101211199939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101211199939 is an equidigital number, since it uses as much as digits as its factorization.

1101211199939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 47.

The spelling of 1101211199939 in words is "one trillion, one hundred one billion, two hundred eleven million, one hundred ninety-nine thousand, nine hundred thirty-nine".