201123214101 has 12 divisors (see below), whose sum is σ = 290515562220. Its totient is φ = 134080179840.

The previous prime is 201123214093. The next prime is 201123214169. The reversal of 201123214101 is 101412321102.

201123214101 is a `hidden beast` number, since 20 + 1 + 1 + 232 + 1 + 410 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 138290271876 + 62832942225 = 371874^2 + 250665^2 .

It is not a de Polignac number, because 201123214101 - 2³ = 201123214093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201123214601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759531 + ... + 989511.

It is an arithmetic number, because the mean of its divisors is an integer number (24209630185).

Almost surely, 2^201123214101 is an apocalyptic number.

It is an amenable number.

201123214101 is a deficient number, since it is larger than the sum of its proper divisors (89392348119).

201123214101 is a wasteful number, since it uses less digits than its factorization.

201123214101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327156 (or 327153 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201123214101 its reverse (101412321102), we get a palindrome (302535535203).

The spelling of 201123214101 in words is "two hundred one billion, one hundred twenty-three million, two hundred fourteen thousand, one hundred one".