20032212111 has 4 divisors (see below), whose sum is σ = 26709616152. Its totient is φ = 13354808072.

The previous prime is 20032212103. The next prime is 20032212133. The reversal of 20032212111 is 11121223002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20032212111 - 2³ = 20032212103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032212611) 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, 3338702016 + ... + 3338702021.

It is an arithmetic number, because the mean of its divisors is an integer number (6677404038).

Almost surely, 2^20032212111 is an apocalyptic number.

20032212111 is a deficient number, since it is larger than the sum of its proper divisors (6677404041).

20032212111 is an equidigital number, since it uses as much as digits as its factorization.

20032212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677404040.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20032212111 its reverse (11121223002), we get a palindrome (31153435113).

The spelling of 20032212111 in words is "twenty billion, thirty-two million, two hundred twelve thousand, one hundred eleven".