201230233202101 has 4 divisors (see below), whose sum is σ = 201230265384972. Its totient is φ = 201230201019232.

The previous prime is 201230233202093. The next prime is 201230233202123. The reversal of 201230233202101 is 101202332032102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201127705802500 + 102527399601 = 14181950^2 + 320199^2 .

It is a cyclic number.

It is not a de Polignac number, because 201230233202101 - 2³ = 201230233202093 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 (201230233202171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348760 + ... + 20338993.

It is an arithmetic number, because the mean of its divisors is an integer number (50307566346243).

Almost surely, 2^{201230233202101} is an apocalyptic number.

It is an amenable number.

201230233202101 is a deficient number, since it is larger than the sum of its proper divisors (32182871).

201230233202101 is an equidigital number, since it uses as much as digits as its factorization.

201230233202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32182870.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201230233202101 its reverse (101202332032102), we get a palindrome (302432565234203).

The spelling of 201230233202101 in words is "two hundred one trillion, two hundred thirty billion, two hundred thirty-three million, two hundred two thousand, one hundred one".