221030203023123 has 32 divisors (see below), whose sum is σ = 346886110513152. Its totient is φ = 123887896588800.

The previous prime is 221030203023109. The next prime is 221030203023137. The reversal of 221030203023123 is 321320302030122.

221030203023123 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221030203023109) and next prime (221030203023137).

It is not a de Polignac number, because 221030203023123 - 2³³ = 221021613088531 is a prime.

It is a super-3 number, since 3×221030203023123³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221030203023093 and 221030203023102.

It is not an unprimeable number, because it can be changed into a prime (221030203023023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5377058293 + ... + 5377099398.

It is an arithmetic number, because the mean of its divisors is an integer number (10840190953536).

Almost surely, 2^{221030203023123} is an apocalyptic number.

221030203023123 is a deficient number, since it is larger than the sum of its proper divisors (125855907490029).

221030203023123 is a wasteful number, since it uses less digits than its factorization.

221030203023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10754157755.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 221030203023123 its reverse (321320302030122), we get a palindrome (542350505053245).

The spelling of 221030203023123 in words is "two hundred twenty-one trillion, thirty billion, two hundred three million, twenty-three thousand, one hundred twenty-three".