20232111211 has 8 divisors (see below), whose sum is σ = 21789773600. Its totient is φ = 18674641152.

The previous prime is 20232111209. The next prime is 20232111217. The reversal of 20232111211 is 11211123202.

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 20232111211 - 2¹ = 20232111209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20232111217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230011 + ... + 305563.

It is an arithmetic number, because the mean of its divisors is an integer number (2723721700).

Almost surely, 2^20232111211 is an apocalyptic number.

20232111211 is a deficient number, since it is larger than the sum of its proper divisors (1557662389).

20232111211 is a wasteful number, since it uses less digits than its factorization.

20232111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96165.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20232111211 its reverse (11211123202), we get a palindrome (31443234413).

The spelling of 20232111211 in words is "twenty billion, two hundred thirty-two million, one hundred eleven thousand, two hundred eleven".