221332213112134 has 16 divisors (see below), whose sum is σ = 332138601748800. Its totient is φ = 110619350133160.

The previous prime is 221332213112071. The next prime is 221332213112137. The reversal of 221332213112134 is 431211312233122.

It is a super-2 number, since 2×221332213112134² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221332213112096 and 221332213112105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221332213112137) 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, 103680789 + ... + 105793999.

It is an arithmetic number, because the mean of its divisors is an integer number (20758662609300).

Almost surely, 2^{221332213112134} is an apocalyptic number.

221332213112134 is a deficient number, since it is larger than the sum of its proper divisors (110806388636666).

221332213112134 is a wasteful number, since it uses less digits than its factorization.

221332213112134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135315.

The product of its digits is 10368, while the sum is 31.

Adding to 221332213112134 its reverse (431211312233122), we get a palindrome (652543525345256).

The spelling of 221332213112134 in words is "two hundred twenty-one trillion, three hundred thirty-two billion, two hundred thirteen million, one hundred twelve thousand, one hundred thirty-four".