54012220111 has 16 divisors (see below), whose sum is σ = 55992342528. Its totient is φ = 52047396000.

The previous prime is 54012220109. The next prime is 54012220127. The reversal of 54012220111 is 11102221045.

It is a cyclic number.

It is not a de Polignac number, because 54012220111 - 2¹ = 54012220109 is a prime.

It is a super-2 number, since 2×54012220111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54012220511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8849961 + ... + 8856061.

It is an arithmetic number, because the mean of its divisors is an integer number (3499521408).

Almost surely, 2^54012220111 is an apocalyptic number.

54012220111 is a deficient number, since it is larger than the sum of its proper divisors (1980122417).

54012220111 is a wasteful number, since it uses less digits than its factorization.

54012220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 54012220111 its reverse (11102221045), we get a palindrome (65114441156).

The spelling of 54012220111 in words is "fifty-four billion, twelve million, two hundred twenty thousand, one hundred eleven".