201012110201123 has 4 divisors (see below), whose sum is σ = 216474580216608. Its totient is φ = 185549640185640.

The previous prime is 201012110201107. The next prime is 201012110201137. The reversal of 201012110201123 is 321102011210102.

It is a happy number.

201012110201123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 201012110201123 - 2⁴ = 201012110201107 is a prime.

It is a super-2 number, since 2×201012110201123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201012110201153) 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, 7731235007723 + ... + 7731235007748.

It is an arithmetic number, because the mean of its divisors is an integer number (54118645054152).

Almost surely, 2^{201012110201123} is an apocalyptic number.

201012110201123 is a deficient number, since it is larger than the sum of its proper divisors (15462470015485).

201012110201123 is a wasteful number, since it uses less digits than its factorization.

201012110201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462470015484.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 201012110201123 its reverse (321102011210102), we get a palindrome (522114121411225).

The spelling of 201012110201123 in words is "two hundred one trillion, twelve billion, one hundred ten million, two hundred one thousand, one hundred twenty-three".