1001120212049 has 2 divisors, whose sum is σ = 1001120212050. Its totient is φ = 1001120212048.

The previous prime is 1001120211929. The next prime is 1001120212051. The reversal of 1001120212049 is 9402120211001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805784499025 + 195335713024 = 897655^2 + 441968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001120212049 is a prime.

Together with 1001120212051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1001120212349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500560106024 + 500560106025.

It is an arithmetic number, because the mean of its divisors is an integer number (500560106025).

Almost surely, 2^{1001120212049} is an apocalyptic number.

It is an amenable number.

1001120212049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001120212049 is an equidigital number, since it uses as much as digits as its factorization.

1001120212049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 1001120212049 in words is "one trillion, one billion, one hundred twenty million, two hundred twelve thousand, forty-nine".