20121110033 has 8 divisors (see below), whose sum is σ = 21063459456. Its totient is φ = 19184387200.

The previous prime is 20121109979. The next prime is 20121110041. The reversal of 20121110033 is 33001112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20121110033 - 2⁶ = 20121109969 is a prime.

It is a super-2 number, since 2×20121110033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20121110083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399328 + ... + 1413633.

It is an arithmetic number, because the mean of its divisors is an integer number (2632932432).

Almost surely, 2^20121110033 is an apocalyptic number.

20121110033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20121110033 is a deficient number, since it is larger than the sum of its proper divisors (942349423).

20121110033 is a wasteful number, since it uses less digits than its factorization.

20121110033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813295.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20121110033 its reverse (33001112102), we get a palindrome (53122222135).

The spelling of 20121110033 in words is "twenty billion, one hundred twenty-one million, one hundred ten thousand, thirty-three".