2011000122123 has 16 divisors (see below), whose sum is σ = 2685263809536. Its totient is φ = 1338703003040.

The previous prime is 2011000122097. The next prime is 2011000122163. The reversal of 2011000122123 is 3212210001102.

It is a cyclic number.

It is not a de Polignac number, because 2011000122123 - 2¹³ = 2011000113931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011000122163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5568838 + ... + 5918948.

It is an arithmetic number, because the mean of its divisors is an integer number (167828988096).

Almost surely, 2^{2011000122123} is an apocalyptic number.

2011000122123 is a deficient number, since it is larger than the sum of its proper divisors (674263687413).

2011000122123 is a wasteful number, since it uses less digits than its factorization.

2011000122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352914.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2011000122123 its reverse (3212210001102), we get a palindrome (5223210123225).

The spelling of 2011000122123 in words is "two trillion, eleven billion, one hundred twenty-two thousand, one hundred twenty-three".