2001011201149 has 2 divisors, whose sum is σ = 2001011201150. Its totient is φ = 2001011201148.

The previous prime is 2001011201083. The next prime is 2001011201177. The reversal of 2001011201149 is 9411021101002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1877223333924 + 123787867225 = 1370118^2 + 351835^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001011201149 - 2³³ = 1992421266557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001011201179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000505600574 + 1000505600575.

It is an arithmetic number, because the mean of its divisors is an integer number (1000505600575).

Almost surely, 2^{2001011201149} is an apocalyptic number.

It is an amenable number.

2001011201149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001011201149 is an equidigital number, since it uses as much as digits as its factorization.

2001011201149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 2001011201149 in words is "two trillion, one billion, eleven million, two hundred one thousand, one hundred forty-nine".