123311201122 has 16 divisors (see below), whose sum is σ = 199166649120. Its totient is φ = 57045260608.

The previous prime is 123311201113. The next prime is 123311201141. The reversal of 123311201122 is 221102113321.

It is a self number, because there is not a number n which added to its sum of digits gives 123311201122.

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, 30733588 + ... + 30737599.

It is an arithmetic number, because the mean of its divisors is an integer number (12447915570).

Almost surely, 2^123311201122 is an apocalyptic number.

123311201122 is a deficient number, since it is larger than the sum of its proper divisors (75855447998).

123311201122 is a wasteful number, since it uses less digits than its factorization.

123311201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61471265.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123311201122 its reverse (221102113321), we get a palindrome (344413314443).

The spelling of 123311201122 in words is "one hundred twenty-three billion, three hundred eleven million, two hundred one thousand, one hundred twenty-two".