221121032323202 has 48 divisors (see below), whose sum is σ = 373384968153120. Its totient is φ = 97342347398400.

The previous prime is 221121032323199. The next prime is 221121032323229. The reversal of 221121032323202 is 202323230121122.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10399049 + ... + 23460227.

It is an arithmetic number, because the mean of its divisors is an integer number (7778853503190).

Almost surely, 2^{221121032323202} is an apocalyptic number.

221121032323202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221121032323202 is a deficient number, since it is larger than the sum of its proper divisors (152263935829918).

221121032323202 is a wasteful number, since it uses less digits than its factorization.

221121032323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13061507 (or 13061370 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 221121032323202 its reverse (202323230121122), we get a palindrome (423444262444324).

The spelling of 221121032323202 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, thirty-two million, three hundred twenty-three thousand, two hundred two".