121526102231 has 2 divisors, whose sum is σ = 121526102232. Its totient is φ = 121526102230.

The previous prime is 121526102183. The next prime is 121526102239. The reversal of 121526102231 is 132201625121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121526102231 is a prime.

It is a super-2 number, since 2×121526102231² (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 121526102231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121526102239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60763051115 + 60763051116.

It is an arithmetic number, because the mean of its divisors is an integer number (60763051116).

Almost surely, 2^121526102231 is an apocalyptic number.

121526102231 is a deficient number, since it is larger than the sum of its proper divisors (1).

121526102231 is an equidigital number, since it uses as much as digits as its factorization.

121526102231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 121526102231 its reverse (132201625121), we get a palindrome (253727727352).

The spelling of 121526102231 in words is "one hundred twenty-one billion, five hundred twenty-six million, one hundred two thousand, two hundred thirty-one".