210110021123 has 8 divisors (see below), whose sum is σ = 215125191600. Its totient is φ = 205100709408.

The previous prime is 210110021117. The next prime is 210110021129. The reversal of 210110021123 is 321120011012.

It is an interprime number because it is at equal distance from previous prime (210110021117) and next prime (210110021129).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210110021123 is a prime.

It is a super-2 number, since 2×210110021123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210110021098 and 210110021107.

It is not an unprimeable number, because it can be changed into a prime (210110021129) 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, 1392068 + ... + 1535601.

It is an arithmetic number, because the mean of its divisors is an integer number (26890648950).

Almost surely, 2^210110021123 is an apocalyptic number.

210110021123 is a deficient number, since it is larger than the sum of its proper divisors (5015170477).

210110021123 is a wasteful number, since it uses less digits than its factorization.

210110021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929381.

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

Adding to 210110021123 its reverse (321120011012), we get a palindrome (531230032135).

The spelling of 210110021123 in words is "two hundred ten billion, one hundred ten million, twenty-one thousand, one hundred twenty-three".