121303011033 has 12 divisors (see below), whose sum is σ = 175224928788. Its totient is φ = 80864304000.

The previous prime is 121303011007. The next prime is 121303011041. The reversal of 121303011033 is 330110303121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26517842649 + 94785168384 = 162843^2 + 307872^2 .

It is not a de Polignac number, because 121303011033 - 2⁵ = 121303011001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121303010997 and 121303011015.

It is not an unprimeable number, because it can be changed into a prime (121303081033) 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, 183660 + ... + 525677.

It is an arithmetic number, because the mean of its divisors is an integer number (14602077399).

Almost surely, 2^121303011033 is an apocalyptic number.

It is an amenable number.

121303011033 is a deficient number, since it is larger than the sum of its proper divisors (53921917755).

121303011033 is a wasteful number, since it uses less digits than its factorization.

121303011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728344 (or 728341 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121303011033 its reverse (330110303121), we get a palindrome (451413314154).

The spelling of 121303011033 in words is "one hundred twenty-one billion, three hundred three million, eleven thousand, thirty-three".