2121113032033 has 4 divisors (see below), whose sum is σ = 2144945762820. Its totient is φ = 2097280301248.

The previous prime is 2121113031979. The next prime is 2121113032061. The reversal of 2121113032033 is 3302303111212.

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 159858431329 + 1961254600704 = 399823^2 + 1400448^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121113032033 - 2³³ = 2112523097441 is a prime.

It is a super-2 number, since 2×2121113032033² (a number of 25 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 = 2121113031995 and 2121113032013.

It is not an unprimeable number, because it can be changed into a prime (2121123032033) 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, 11916365260 + ... + 11916365437.

It is an arithmetic number, because the mean of its divisors is an integer number (536236440705).

Almost surely, 2^{2121113032033} is an apocalyptic number.

It is an amenable number.

2121113032033 is a deficient number, since it is larger than the sum of its proper divisors (23832730787).

2121113032033 is an equidigital number, since it uses as much as digits as its factorization.

2121113032033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23832730786.

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

Adding to 2121113032033 its reverse (3302303111212), we get a palindrome (5423416143245).

The spelling of 2121113032033 in words is "two trillion, one hundred twenty-one billion, one hundred thirteen million, thirty-two thousand, thirty-three".