122251111 has 8 divisors (see below), whose sum is σ = 128948400. Its totient is φ = 115580160.

The previous prime is 122251109. The next prime is 122251117. The reversal of 122251111 is 111152221.

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 122251111 - 2¹ = 122251109 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 (122251117) 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, 3351 + ... + 15991.

It is an arithmetic number, because the mean of its divisors is an integer number (16118550).

Almost surely, 2^122251111 is an apocalyptic number.

122251111 is a deficient number, since it is larger than the sum of its proper divisors (6697289).

122251111 is a wasteful number, since it uses less digits than its factorization.

122251111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13169.

The product of its digits is 40, while the sum is 16.

The square root of 122251111 is about 11056.7224347905. The cubic root of 122251111 is about 496.3076143645.

The spelling of 122251111 in words is "one hundred twenty-two million, two hundred fifty-one thousand, one hundred eleven".