2011930001123 has 8 divisors (see below), whose sum is σ = 2299427046240. Its totient is φ = 1724452574400.

The previous prime is 2011930001111. The next prime is 2011930001177. The reversal of 2011930001123 is 3211000391102.

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 2011930001123 - 2¹⁰ = 2011930000099 is a prime.

It is a super-2 number, since 2×2011930001123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011930001923) 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, 4684178 + ... + 5095623.

It is an arithmetic number, because the mean of its divisors is an integer number (287428380780).

Almost surely, 2^{2011930001123} is an apocalyptic number.

2011930001123 is a deficient number, since it is larger than the sum of its proper divisors (287497045117).

2011930001123 is an equidigital number, since it uses as much as digits as its factorization.

2011930001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809197.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 2011930001123 its reverse (3211000391102), we get a palindrome (5222930392225).

The spelling of 2011930001123 in words is "two trillion, eleven billion, nine hundred thirty million, one thousand, one hundred twenty-three".