221112011220202 has 16 divisors (see below), whose sum is σ = 351178784280000. Its totient is φ = 104052449204928.

The previous prime is 221112011220197. The next prime is 221112011220203. The reversal of 221112011220202 is 202022110211122.

It is a super-4 number, since 4×221112011220202⁴ (a number of 58 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221112011220202.

It is not an unprimeable number, because it can be changed into a prime (221112011220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5867299 + ... + 21832297.

It is an arithmetic number, because the mean of its divisors is an integer number (21948674017500).

Almost surely, 2^{221112011220202} is an apocalyptic number.

221112011220202 is a deficient number, since it is larger than the sum of its proper divisors (130066773059798).

221112011220202 is a wasteful number, since it uses less digits than its factorization.

221112011220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16372365.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221112011220202 its reverse (202022110211122), we get a palindrome (423134121431324).

The spelling of 221112011220202 in words is "two hundred twenty-one trillion, one hundred twelve billion, eleven million, two hundred twenty thousand, two hundred two".