123221342020011 has 16 divisors (see below), whose sum is σ = 167160406135680. Its totient is φ = 80726244857280.

The previous prime is 123221342019991. The next prime is 123221342020061. The reversal of 123221342020011 is 110020243122321.

It is not a de Polignac number, because 123221342020011 - 2²¹ = 123221339922859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123221342020061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415610325 + ... + 1415697366.

It is an arithmetic number, because the mean of its divisors is an integer number (10447525383480).

Almost surely, 2^{123221342020011} is an apocalyptic number.

123221342020011 is a deficient number, since it is larger than the sum of its proper divisors (43939064115669).

123221342020011 is a wasteful number, since it uses less digits than its factorization.

123221342020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831307946.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123221342020011 its reverse (110020243122321), we get a palindrome (233241585142332).

The spelling of 123221342020011 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, three hundred forty-two million, twenty thousand, eleven".