4521122111 has 8 divisors (see below), whose sum is σ = 5052429648. Its totient is φ = 4009864000.

The previous prime is 4521122101. The next prime is 4521122113. The reversal of 4521122111 is 1112211254.

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 4521122111 - 2²⁶ = 4454013247 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 (4521122113) 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, 5011880 + ... + 5012781.

It is an arithmetic number, because the mean of its divisors is an integer number (631553706).

Almost surely, 2^4521122111 is an apocalyptic number.

4521122111 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4521122111 is a deficient number, since it is larger than the sum of its proper divisors (531307537).

4521122111 is a wasteful number, since it uses less digits than its factorization.

4521122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024713.

The product of its digits is 160, while the sum is 20.

The square root of 4521122111 is about 67239.2899352752. The cubic root of 4521122111 is about 1653.5426924666.

Adding to 4521122111 its reverse (1112211254), we get a palindrome (5633333365).

The spelling of 4521122111 in words is "four billion, five hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".