121582743371 has 2 divisors, whose sum is σ = 121582743372. Its totient is φ = 121582743370.

The previous prime is 121582743323. The next prime is 121582743389. The reversal of 121582743371 is 173347285121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121582743371 - 2¹⁴ = 121582726987 is a prime.

It is not a weakly prime, because it can be changed into another prime (121582743391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60791371685 + 60791371686.

It is an arithmetic number, because the mean of its divisors is an integer number (60791371686).

Almost surely, 2^121582743371 is an apocalyptic number.

121582743371 is a deficient number, since it is larger than the sum of its proper divisors (1).

121582743371 is an equidigital number, since it uses as much as digits as its factorization.

121582743371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The spelling of 121582743371 in words is "one hundred twenty-one billion, five hundred eighty-two million, seven hundred forty-three thousand, three hundred seventy-one".