210111002001123 has 8 divisors (see below), whose sum is σ = 280152613869648. Its totient is φ = 140071695733344.

The previous prime is 210111002001029. The next prime is 210111002001139. The reversal of 210111002001123 is 321100200111012.

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

It is not a de Polignac number, because 210111002001123 - 2²² = 210110997806819 is a prime.

It is a super-2 number, since 2×210111002001123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210111002001163) 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, 576187536 + ... + 576552077.

It is an arithmetic number, because the mean of its divisors is an integer number (35019076733706).

Almost surely, 2^{210111002001123} is an apocalyptic number.

210111002001123 is a deficient number, since it is larger than the sum of its proper divisors (70041611868525).

210111002001123 is a wasteful number, since it uses less digits than its factorization.

210111002001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152800373.

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

Adding to 210111002001123 its reverse (321100200111012), we get a palindrome (531211202112135).

The spelling of 210111002001123 in words is "two hundred ten trillion, one hundred eleven billion, two million, one thousand, one hundred twenty-three".