221453383354122 has 64 divisors (see below), whose sum is σ = 486624833823744. Its totient is φ = 66904087514880.

The previous prime is 221453383354043. The next prime is 221453383354123.

221453383354122 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×221453383354122³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (221453383354123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 355258788 + ... + 355881599.

It is an arithmetic number, because the mean of its divisors is an integer number (7603513028496).

Almost surely, 2^{221453383354122} is an apocalyptic number.

221453383354122 is an abundant number, since it is smaller than the sum of its proper divisors (265171450469622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221453383354122 is a wasteful number, since it uses less digits than its factorization.

221453383354122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711140523.

The product of its digits is 4147200, while the sum is 48.

The spelling of 221453383354122 in words is "two hundred twenty-one trillion, four hundred fifty-three billion, three hundred eighty-three million, three hundred fifty-four thousand, one hundred twenty-two".