1001121201139 has 2 divisors, whose sum is σ = 1001121201140. Its totient is φ = 1001121201138.

The previous prime is 1001121201137. The next prime is 1001121201169. The reversal of 1001121201139 is 9311021211001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001121201139 - 2¹ = 1001121201137 is a prime.

Together with 1001121201137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1001121201137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500560600569 + 500560600570.

It is an arithmetic number, because the mean of its divisors is an integer number (500560600570).

Almost surely, 2^{1001121201139} is an apocalyptic number.

1001121201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001121201139 is an equidigital number, since it uses as much as digits as its factorization.

1001121201139 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 1001121201139 in words is "one trillion, one billion, one hundred twenty-one million, two hundred one thousand, one hundred thirty-nine".