123221022110 has 16 divisors (see below), whose sum is σ = 222660871056. Its totient is φ = 49096624128.

The previous prime is 123221022101. The next prime is 123221022179. The reversal of 123221022110 is 11220122321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23970392 + ... + 23975531.

It is an arithmetic number, because the mean of its divisors is an integer number (13916304441).

Almost surely, 2^123221022110 is an apocalyptic number.

123221022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123221022110 is a deficient number, since it is larger than the sum of its proper divisors (99439848946).

123221022110 is a wasteful number, since it uses less digits than its factorization.

123221022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47946187.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123221022110 its reverse (11220122321), we get a palindrome (134441144431).

The spelling of 123221022110 in words is "one hundred twenty-three billion, two hundred twenty-one million, twenty-two thousand, one hundred ten".