123220120220101 has 32 divisors (see below), whose sum is σ = 125552084403200. Its totient is φ = 120914364432384.

The previous prime is 123220120220063. The next prime is 123220120220161. The reversal of 123220120220101 is 101022021022321.

It is a cyclic number.

It is not a de Polignac number, because 123220120220101 - 2⁹ = 123220120219589 is a prime.

It is a super-2 number, since 2×123220120220101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123220120220161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25762096756 + ... + 25762101538.

It is an arithmetic number, because the mean of its divisors is an integer number (3923502637600).

Almost surely, 2^{123220120220101} is an apocalyptic number.

It is an amenable number.

123220120220101 is a deficient number, since it is larger than the sum of its proper divisors (2331964183099).

123220120220101 is a wasteful number, since it uses less digits than its factorization.

123220120220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123220120220101 its reverse (101022021022321), we get a palindrome (224242141242422).

The spelling of 123220120220101 in words is "one hundred twenty-three trillion, two hundred twenty billion, one hundred twenty million, two hundred twenty thousand, one hundred one".