121333011025 has 12 divisors (see below), whose sum is σ = 150459532300. Its totient is φ = 97062151680.

The previous prime is 121333011013. The next prime is 121333011029. The reversal of 121333011025 is 520110333121.

It can be written as a sum of positive squares in 6 ways, for example, as 38670435904 + 82662575121 = 196648^2 + 287511^2 .

It is a de Polignac number, because none of the positive numbers 2^k-121333011025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121333010987 and 121333011005.

It is not an unprimeable number, because it can be changed into a prime (121333011029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555781 + ... + 742669.

Almost surely, 2^121333011025 is an apocalyptic number.

It is an amenable number.

121333011025 is a deficient number, since it is larger than the sum of its proper divisors (29126521275).

121333011025 is a wasteful number, since it uses less digits than its factorization.

121333011025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212868 (or 212863 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 121333011025 its reverse (520110333121), we get a palindrome (641443344146).

The spelling of 121333011025 in words is "one hundred twenty-one billion, three hundred thirty-three million, eleven thousand, twenty-five".