201011120123 has 8 divisors (see below), whose sum is σ = 219338958000. Its totient is φ = 182692298880.

The previous prime is 201011120117. The next prime is 201011120147. The reversal of 201011120123 is 321021110102.

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

It is a cyclic number.

It is not a de Polignac number, because 201011120123 - 2¹⁴ = 201011103739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201011120098 and 201011120107.

It is not an unprimeable number, because it can be changed into a prime (201011125123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207498 + ... + 2296751.

It is an arithmetic number, because the mean of its divisors is an integer number (27417369750).

Almost surely, 2^201011120123 is an apocalyptic number.

201011120123 is a deficient number, since it is larger than the sum of its proper divisors (18327837877).

201011120123 is a wasteful number, since it uses less digits than its factorization.

201011120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508317.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201011120123 its reverse (321021110102), we get a palindrome (522032230225).

The spelling of 201011120123 in words is "two hundred one billion, eleven million, one hundred twenty thousand, one hundred twenty-three".