221632236122 has 16 divisors (see below), whose sum is σ = 362692747872. Its totient is φ = 100735865520.

The previous prime is 221632236083. The next prime is 221632236179.

221632236122 is nontrivially palindromic in base 10.

221632236122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81908 + ... + 670800.

It is an arithmetic number, because the mean of its divisors is an integer number (22668296742).

Almost surely, 2^221632236122 is an apocalyptic number.

221632236122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221632236122 is a deficient number, since it is larger than the sum of its proper divisors (141060511750).

221632236122 is a wasteful number, since it uses less digits than its factorization.

221632236122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606013.

The product of its digits is 20736, while the sum is 32.

It can be divided in two parts, 221632 and 236122, that added together give a palindrome (457754).

The spelling of 221632236122 in words is "two hundred twenty-one billion, six hundred thirty-two million, two hundred thirty-six thousand, one hundred twenty-two".