122211042 has 16 divisors (see below), whose sum is σ = 244568160. Its totient is φ = 40712672.

The previous prime is 122210947. The next prime is 122211049. The reversal of 122211042 is 240112221.

It is not an unprimeable number, because it can be changed into a prime (122211049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6934 + ... + 17102.

It is an arithmetic number, because the mean of its divisors is an integer number (15285510).

Almost surely, 2^122211042 is an apocalyptic number.

122211042 is an abundant number, since it is smaller than the sum of its proper divisors (122357118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122211042 is a wasteful number, since it uses less digits than its factorization.

122211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12177.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 122211042 is about 11054.9103117122. The cubic root of 122211042 is about 496.2533852108.

Adding to 122211042 its reverse (240112221), we get a palindrome (362323263).

The spelling of 122211042 in words is "one hundred twenty-two million, two hundred eleven thousand, forty-two".