201011112123 has 8 divisors (see below), whose sum is σ = 282120859200. Its totient is φ = 126954386568.

The previous prime is 201011112119. The next prime is 201011112143. The reversal of 201011112123 is 321211110102.

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

It is not a de Polignac number, because 201011112123 - 2² = 201011112119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201011112143) 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, 1763255313 + ... + 1763255426.

It is an arithmetic number, because the mean of its divisors is an integer number (35265107400).

Almost surely, 2^201011112123 is an apocalyptic number.

201011112123 is a deficient number, since it is larger than the sum of its proper divisors (81109747077).

201011112123 is a wasteful number, since it uses less digits than its factorization.

201011112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526510761.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 201011112123 its reverse (321211110102), we get a palindrome (522222222225).

The spelling of 201011112123 in words is "two hundred one billion, eleven million, one hundred twelve thousand, one hundred twenty-three".