121344001147 has 2 divisors, whose sum is σ = 121344001148. Its totient is φ = 121344001146.

The previous prime is 121344001063. The next prime is 121344001211. The reversal of 121344001147 is 741100443121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121344001147 - 2²⁷ = 121209783419 is a prime.

It is a super-2 number, since 2×121344001147² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121344005147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60672000573 + 60672000574.

It is an arithmetic number, because the mean of its divisors is an integer number (60672000574).

Almost surely, 2^121344001147 is an apocalyptic number.

121344001147 is a deficient number, since it is larger than the sum of its proper divisors (1).

121344001147 is an equidigital number, since it uses as much as digits as its factorization.

121344001147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 121344001147 its reverse (741100443121), we get a palindrome (862444444268).

The spelling of 121344001147 in words is "one hundred twenty-one billion, three hundred forty-four million, one thousand, one hundred forty-seven".