1121201232149 has 2 divisors, whose sum is σ = 1121201232150. Its totient is φ = 1121201232148.

The previous prime is 1121201232119. The next prime is 1121201232187. The reversal of 1121201232149 is 9412321021211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786183688900 + 335017543249 = 886670^2 + 578807^2 .

It is an emirp because it is prime and its reverse (9412321021211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121201232149 - 2²⁸ = 1120932796693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121201232119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560600616074 + 560600616075.

It is an arithmetic number, because the mean of its divisors is an integer number (560600616075).

Almost surely, 2^{1121201232149} is an apocalyptic number.

It is an amenable number.

1121201232149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121201232149 is an equidigital number, since it uses as much as digits as its factorization.

1121201232149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 1121201232149 in words is "one trillion, one hundred twenty-one billion, two hundred one million, two hundred thirty-two thousand, one hundred forty-nine".