221418869122 has 16 divisors (see below), whose sum is σ = 374815641600. Its totient is φ = 97174425040.

The previous prime is 221418869101. The next prime is 221418869141. The reversal of 221418869122 is 221968814122.

It is a happy number.

221418869122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173525122 + ... + 173526397.

It is an arithmetic number, because the mean of its divisors is an integer number (23425977600).

Almost surely, 2^221418869122 is an apocalyptic number.

221418869122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221418869122 is a deficient number, since it is larger than the sum of its proper divisors (153396772478).

221418869122 is a wasteful number, since it uses less digits than its factorization.

221418869122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347051561.

The product of its digits is 221184, while the sum is 46.

The spelling of 221418869122 in words is "two hundred twenty-one billion, four hundred eighteen million, eight hundred sixty-nine thousand, one hundred twenty-two".