121201020010033 has 4 divisors (see below), whose sum is σ = 121201708761700. Its totient is φ = 121200331258368.

The previous prime is 121201020010027. The next prime is 121201020010051. The reversal of 121201020010033 is 330010020102121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55878869197089 + 65322150812944 = 7475217^2 + 8082212^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201020010033 - 2²¹ = 121201017912881 is a prime.

It is a super-2 number, since 2×121201020010033² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121201020009989 and 121201020010016.

It is not an unprimeable number, because it can be changed into a prime (121201020010633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344111808 + ... + 344463841.

It is an arithmetic number, because the mean of its divisors is an integer number (30300427190425).

Almost surely, 2^{121201020010033} is an apocalyptic number.

It is an amenable number.

121201020010033 is a deficient number, since it is larger than the sum of its proper divisors (688751667).

121201020010033 is an equidigital number, since it uses as much as digits as its factorization.

121201020010033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688751666.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121201020010033 its reverse (330010020102121), we get a palindrome (451211040112154).

The spelling of 121201020010033 in words is "one hundred twenty-one trillion, two hundred one billion, twenty million, ten thousand, thirty-three".