221200021213102 has 16 divisors (see below), whose sum is σ = 339008687629632. Its totient is φ = 108199195901440.

The previous prime is 221200021213097. The next prime is 221200021213151. The reversal of 221200021213102 is 201312120002122.

It is a self number, because there is not a number n which added to its sum of digits gives 221200021213102.

It is a congruent number.

It is an unprimeable number.

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, 517426399 + ... + 517853722.

It is an arithmetic number, because the mean of its divisors is an integer number (21188042976852).

Almost surely, 2^{221200021213102} is an apocalyptic number.

221200021213102 is a deficient number, since it is larger than the sum of its proper divisors (117808666416530).

221200021213102 is a wasteful number, since it uses less digits than its factorization.

221200021213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035282443.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 221200021213102 its reverse (201312120002122), we get a palindrome (422512141215224).

The spelling of 221200021213102 in words is "two hundred twenty-one trillion, two hundred billion, twenty-one million, two hundred thirteen thousand, one hundred two".