121011133249 has 2 divisors, whose sum is σ = 121011133250. Its totient is φ = 121011133248.

The previous prime is 121011133189. The next prime is 121011133267. The reversal of 121011133249 is 942331110121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116822454849 + 4188678400 = 341793^2 + 64720^2 .

It is a cyclic number.

It is not a de Polignac number, because 121011133249 - 2¹¹ = 121011131201 is a prime.

It is not a weakly prime, because it can be changed into another prime (121011130249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505566624 + 60505566625.

It is an arithmetic number, because the mean of its divisors is an integer number (60505566625).

Almost surely, 2^121011133249 is an apocalyptic number.

It is an amenable number.

121011133249 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011133249 is an equidigital number, since it uses as much as digits as its factorization.

121011133249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 121011133249 in words is "one hundred twenty-one billion, eleven million, one hundred thirty-three thousand, two hundred forty-nine".