20214423111 has 4 divisors (see below), whose sum is σ = 26952564152. Its totient is φ = 13476282072.

The previous prime is 20214423101. The next prime is 20214423127. The reversal of 20214423111 is 11132441202.

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

It is not a de Polignac number, because 20214423111 - 2¹³ = 20214414919 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 (20214423101) 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, 3369070516 + ... + 3369070521.

It is an arithmetic number, because the mean of its divisors is an integer number (6738141038).

Almost surely, 2^20214423111 is an apocalyptic number.

20214423111 is a deficient number, since it is larger than the sum of its proper divisors (6738141041).

20214423111 is an equidigital number, since it uses as much as digits as its factorization.

20214423111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738141040.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20214423111 its reverse (11132441202), we get a palindrome (31346864313).

The spelling of 20214423111 in words is "twenty billion, two hundred fourteen million, four hundred twenty-three thousand, one hundred eleven".