221353606353122 has 8 divisors (see below), whose sum is σ = 332036717376000. Its totient is φ = 110674700561124.

The previous prime is 221353606353101. The next prime is 221353606353133.

It is a happy number.

221353606353122 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051176122 + ... + 1051386677.

It is an arithmetic number, because the mean of its divisors is an integer number (41504589672000).

Almost surely, 2^{221353606353122} is an apocalyptic number.

221353606353122 is a deficient number, since it is larger than the sum of its proper divisors (110683111022878).

221353606353122 is a wasteful number, since it uses less digits than its factorization.

221353606353122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102615440.

The product of its (nonzero) digits is 1166400, while the sum is 44.

It can be divided in two parts, 22135360 and 6353122, that added together give a palindrome (28488482).

The spelling of 221353606353122 in words is "two hundred twenty-one trillion, three hundred fifty-three billion, six hundred six million, three hundred fifty-three thousand, one hundred twenty-two".