123133202101 has 24 divisors (see below), whose sum is σ = 152500628544. Its totient is φ = 97347744000.

The previous prime is 123133202099. The next prime is 123133202107. The reversal of 123133202101 is 101202331321.

It is not a de Polignac number, because 123133202101 - 2¹ = 123133202099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123133202107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494226 + ... + 1574476.

It is an arithmetic number, because the mean of its divisors is an integer number (6354192856).

Almost surely, 2^123133202101 is an apocalyptic number.

It is an amenable number.

123133202101 is a deficient number, since it is larger than the sum of its proper divisors (29367426443).

123133202101 is a wasteful number, since it uses less digits than its factorization.

123133202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81581 (or 81568 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123133202101 its reverse (101202331321), we get a palindrome (224335533422).

The spelling of 123133202101 in words is "one hundred twenty-three billion, one hundred thirty-three million, two hundred two thousand, one hundred one".