221434011220202 has 16 divisors (see below), whose sum is σ = 362348120682432. Its totient is φ = 100651390818720.

The previous prime is 221434011220181. The next prime is 221434011220229. The reversal of 221434011220202 is 202022110434122.

It is a happy number.

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, 16358003 + ... + 26654310.

It is an arithmetic number, because the mean of its divisors is an integer number (22646757542652).

Almost surely, 2^{221434011220202} is an apocalyptic number.

221434011220202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221434011220202 is a deficient number, since it is larger than the sum of its proper divisors (140914109462230).

221434011220202 is a wasteful number, since it uses less digits than its factorization.

221434011220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43246333.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 221434011220202 its reverse (202022110434122), we get a palindrome (423456121654324).

The spelling of 221434011220202 in words is "two hundred twenty-one trillion, four hundred thirty-four billion, eleven million, two hundred twenty thousand, two hundred two".