221314422123 has 16 divisors (see below), whose sum is σ = 347159878560. Its totient is φ = 138863950848.

The previous prime is 221314422107. The next prime is 221314422167. The reversal of 221314422123 is 321224413122.

221314422123 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 1 + 442 + 212 + 3 = 666.

It is not a de Polignac number, because 221314422123 - 2⁴ = 221314422107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (221314422193) 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, 241082790 + ... + 241083707.

It is an arithmetic number, because the mean of its divisors is an integer number (21697492410).

Almost surely, 2^221314422123 is an apocalyptic number.

221314422123 is a deficient number, since it is larger than the sum of its proper divisors (125845456437).

221314422123 is a wasteful number, since it uses less digits than its factorization.

221314422123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482166523 (or 482166517 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 221314422123 its reverse (321224413122), we get a palindrome (542538835245).

Subtracting 221314422123 from its reverse (321224413122), we obtain a palindrome (99909990999).

The spelling of 221314422123 in words is "two hundred twenty-one billion, three hundred fourteen million, four hundred twenty-two thousand, one hundred twenty-three".