221263362122 has 16 divisors (see below), whose sum is σ = 367166862144. Its totient is φ = 99157716000.

The previous prime is 221263362121. The next prime is 221263362167.

221263362122 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (221263362121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70825379 + ... + 70828502.

It is an arithmetic number, because the mean of its divisors is an integer number (22947928884).

Almost surely, 2^221263362122 is an apocalyptic number.

221263362122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221263362122 is a deficient number, since it is larger than the sum of its proper divisors (145903500022).

221263362122 is a wasteful number, since it uses less digits than its factorization.

221263362122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141653965.

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

It can be divided in two parts, 221263 and 362122, that added together give a palindrome (583385).

The spelling of 221263362122 in words is "two hundred twenty-one billion, two hundred sixty-three million, three hundred sixty-two thousand, one hundred twenty-two".