121321123033 has 16 divisors (see below), whose sum is σ = 141205394880. Its totient is φ = 103011750400.

The previous prime is 121321122947. The next prime is 121321123037. The reversal of 121321123033 is 330321123121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121321123033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121321122995 and 121321123013.

It is not an unprimeable number, because it can be changed into a prime (121321123037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2451748 + ... + 2500741.

It is an arithmetic number, because the mean of its divisors is an integer number (8825337180).

Almost surely, 2^121321123033 is an apocalyptic number.

It is an amenable number.

121321123033 is a deficient number, since it is larger than the sum of its proper divisors (19884271847).

121321123033 is a wasteful number, since it uses less digits than its factorization.

121321123033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952648.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121321123033 its reverse (330321123121), we get a palindrome (451642246154).

The spelling of 121321123033 in words is "one hundred twenty-one billion, three hundred twenty-one million, one hundred twenty-three thousand, thirty-three".