123221210113222 has 16 divisors (see below), whose sum is σ = 199087728375312. Its totient is φ = 56860447381920.

The previous prime is 123221210113189. The next prime is 123221210113237. The reversal of 123221210113222 is 222311012122321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453209929 + ... + 453481732.

It is an arithmetic number, because the mean of its divisors is an integer number (12442983023457).

Almost surely, 2^{123221210113222} is an apocalyptic number.

123221210113222 is a deficient number, since it is larger than the sum of its proper divisors (75866518262090).

123221210113222 is a wasteful number, since it uses less digits than its factorization.

123221210113222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906696903.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 123221210113222 its reverse (222311012122321), we get a palindrome (345532222235543).

The spelling of 123221210113222 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, two hundred ten million, one hundred thirteen thousand, two hundred twenty-two".