102201220123 has 8 divisors (see below), whose sum is σ = 105162235200. Its totient is φ = 99266761608.

The previous prime is 102201220117. The next prime is 102201220127. The reversal of 102201220123 is 321022102201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102201220123 - 2⁵ = 102201220091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102201220097 and 102201220106.

It is not an unprimeable number, because it can be changed into a prime (102201220127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6631333 + ... + 6646726.

It is an arithmetic number, because the mean of its divisors is an integer number (13145279400).

Almost surely, 2^102201220123 is an apocalyptic number.

102201220123 is a deficient number, since it is larger than the sum of its proper divisors (2961015077).

102201220123 is a wasteful number, since it uses less digits than its factorization.

102201220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13278281.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102201220123 its reverse (321022102201), we get a palindrome (423223322324).

The spelling of 102201220123 in words is "one hundred two billion, two hundred one million, two hundred twenty thousand, one hundred twenty-three".