1121010102139 has 2 divisors, whose sum is σ = 1121010102140. Its totient is φ = 1121010102138.

The previous prime is 1121010102119. The next prime is 1121010102161. The reversal of 1121010102139 is 9312010101211.

It is an a-pointer prime, because the next prime (1121010102161) can be obtained adding 1121010102139 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121010102139 - 2³¹ = 1118862618491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121010102119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560505051069 + 560505051070.

It is an arithmetic number, because the mean of its divisors is an integer number (560505051070).

Almost surely, 2^{1121010102139} is an apocalyptic number.

1121010102139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121010102139 is an equidigital number, since it uses as much as digits as its factorization.

1121010102139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 1121010102139 in words is "one trillion, one hundred twenty-one billion, ten million, one hundred two thousand, one hundred thirty-nine".