2123010111 has 8 divisors (see below), whose sum is σ = 2832331824. Its totient is φ = 1414514240.

The previous prime is 2123010103. The next prime is 2123010137. The reversal of 2123010111 is 1110103212.

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 2123010111 - 2³ = 2123010103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123010151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200436 + ... + 210761.

It is an arithmetic number, because the mean of its divisors is an integer number (354041478).

Almost surely, 2^2123010111 is an apocalyptic number.

2123010111 is a deficient number, since it is larger than the sum of its proper divisors (709321713).

2123010111 is a wasteful number, since it uses less digits than its factorization.

2123010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412921.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2123010111 is about 46076.1338547409. The cubic root of 2123010111 is about 1285.2393707906.

Adding to 2123010111 its reverse (1110103212), we get a palindrome (3233113323).

The spelling of 2123010111 in words is "two billion, one hundred twenty-three million, ten thousand, one hundred eleven".