121112001112033 has 4 divisors (see below), whose sum is σ = 121113840751380. Its totient is φ = 121110161472688.

The previous prime is 121112001112021. The next prime is 121112001112087. The reversal of 121112001112033 is 330211100211121.

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 79167428121664 + 41944572990369 = 8897608^2 + 6476463^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112001112033 - 2²⁹ = 121111464241121 is a prime.

It is a super-2 number, since 2×121112001112033² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121112001112033.

It is not an unprimeable number, because it can be changed into a prime (121112001172033) 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, 919720918 + ... + 919852591.

It is an arithmetic number, because the mean of its divisors is an integer number (30278460187845).

Almost surely, 2^{121112001112033} is an apocalyptic number.

It is an amenable number.

121112001112033 is a deficient number, since it is larger than the sum of its proper divisors (1839639347).

121112001112033 is an equidigital number, since it uses as much as digits as its factorization.

121112001112033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839639346.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 121112001112033 its reverse (330211100211121), we get a palindrome (451323101323154).

The spelling of 121112001112033 in words is "one hundred twenty-one trillion, one hundred twelve billion, one million, one hundred twelve thousand, thirty-three".