121331021213033 has 32 divisors (see below), whose sum is σ = 130741338857472. Its totient is φ = 112323116664000.

The previous prime is 121331021213027. The next prime is 121331021213047. The reversal of 121331021213033 is 330312120133121.

It is not a de Polignac number, because 121331021213033 - 2³⁶ = 121262301736297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121331021212993 and 121331021213011.

It is not an unprimeable number, because it can be changed into a prime (121331021213053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87860660 + ... + 89230922.

It is an arithmetic number, because the mean of its divisors is an integer number (4085666839296).

Almost surely, 2^{121331021213033} is an apocalyptic number.

It is an amenable number.

121331021213033 is a deficient number, since it is larger than the sum of its proper divisors (9410317644439).

121331021213033 is a wasteful number, since it uses less digits than its factorization.

121331021213033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371245.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 121331021213033 its reverse (330312120133121), we get a palindrome (451643141346154).

The spelling of 121331021213033 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, twenty-one million, two hundred thirteen thousand, thirty-three".