121031233159 has 2 divisors, whose sum is σ = 121031233160. Its totient is φ = 121031233158.

The previous prime is 121031233129. The next prime is 121031233237. The reversal of 121031233159 is 951332130121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121031233159 is a prime.

It is a super-2 number, since 2×121031233159² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121031233159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121031233129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515616579 + 60515616580.

It is an arithmetic number, because the mean of its divisors is an integer number (60515616580).

Almost surely, 2^121031233159 is an apocalyptic number.

121031233159 is a deficient number, since it is larger than the sum of its proper divisors (1).

121031233159 is an equidigital number, since it uses as much as digits as its factorization.

121031233159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 121031233159 in words is "one hundred twenty-one billion, thirty-one million, two hundred thirty-three thousand, one hundred fifty-nine".