221223101322122 has 16 divisors (see below), whose sum is σ = 336793968081312. Its totient is φ = 108958509609840.

The previous prime is 221223101322089. The next prime is 221223101322211.

221223101322122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221223101322091 and 221223101322100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9162548 + ... + 22943375.

It is an arithmetic number, because the mean of its divisors is an integer number (21049623005082).

Almost surely, 2^{221223101322122} is an apocalyptic number.

221223101322122 is a deficient number, since it is larger than the sum of its proper divisors (115570866759190).

221223101322122 is a wasteful number, since it uses less digits than its factorization.

221223101322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32157413.

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 22122310 and 1322122, that added together give a palindrome (23444432).

The spelling of 221223101322122 in words is "two hundred twenty-one trillion, two hundred twenty-three billion, one hundred one million, three hundred twenty-two thousand, one hundred twenty-two".