221212202200102 has 8 divisors (see below), whose sum is σ = 331818455210112. Its totient is φ = 110606050463400.

The previous prime is 221212202200097. The next prime is 221212202200133. The reversal of 221212202200102 is 201002202212122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221212202200102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19599174 + ... + 28749817.

It is an arithmetic number, because the mean of its divisors is an integer number (41477306901264).

Almost surely, 2^{221212202200102} is an apocalyptic number.

221212202200102 is a deficient number, since it is larger than the sum of its proper divisors (110606253010010).

221212202200102 is a wasteful number, since it uses less digits than its factorization.

221212202200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50636654.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221212202200102 its reverse (201002202212122), we get a palindrome (422214404412224).

The spelling of 221212202200102 in words is "two hundred twenty-one trillion, two hundred twelve billion, two hundred two million, two hundred thousand, one hundred two".