1011200101139 has 2 divisors, whose sum is σ = 1011200101140. Its totient is φ = 1011200101138.

The previous prime is 1011200101129. The next prime is 1011200101231. The reversal of 1011200101139 is 9311010021101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011200101139 - 2²⁴ = 1011183323923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011200101139.

It is not a weakly prime, because it can be changed into another prime (1011200101129) 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, 505600050569 + 505600050570.

It is an arithmetic number, because the mean of its divisors is an integer number (505600050570).

Almost surely, 2^{1011200101139} is an apocalyptic number.

1011200101139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011200101139 is an equidigital number, since it uses as much as digits as its factorization.

1011200101139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 1011200101139 in words is "one trillion, eleven billion, two hundred million, one hundred one thousand, one hundred thirty-nine".