121201011132033 has 16 divisors (see below), whose sum is σ = 185269864705920. Its totient is φ = 69039242029056.

The previous prime is 121201011131999. The next prime is 121201011132049. The reversal of 121201011132033 is 330231110102121.

It is not a de Polignac number, because 121201011132033 - 2¹⁶ = 121201011066497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (121201011132073) 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, 9103268928 + ... + 9103282241.

It is an arithmetic number, because the mean of its divisors is an integer number (11579366544120).

Almost surely, 2^{121201011132033} is an apocalyptic number.

It is an amenable number.

121201011132033 is a deficient number, since it is larger than the sum of its proper divisors (64068853573887).

121201011132033 is a wasteful number, since it uses less digits than its factorization.

121201011132033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18206551496.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121201011132033 its reverse (330231110102121), we get a palindrome (451432121234154).

The spelling of 121201011132033 in words is "one hundred twenty-one trillion, two hundred one billion, eleven million, one hundred thirty-two thousand, thirty-three".