20033122111 has 8 divisors (see below), whose sum is σ = 20283009264. Its totient is φ = 19783438080.

The previous prime is 20033122103. The next prime is 20033122139. The reversal of 20033122111 is 11122133002.

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 20033122111 - 2³ = 20033122103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033122211) 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, 152751 + ... + 251791.

It is an arithmetic number, because the mean of its divisors is an integer number (2535376158).

Almost surely, 2^20033122111 is an apocalyptic number.

20033122111 is a deficient number, since it is larger than the sum of its proper divisors (249887153).

20033122111 is an equidigital number, since it uses as much as digits as its factorization.

20033122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101561.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20033122111 its reverse (11122133002), we get a palindrome (31155255113).

The spelling of 20033122111 in words is "twenty billion, thirty-three million, one hundred twenty-two thousand, one hundred eleven".