221212211102002 has 8 divisors (see below), whose sum is σ = 331818485947776. Its totient is φ = 110606049119412.

The previous prime is 221212211101939. The next prime is 221212211102009. The reversal of 221212211102002 is 200201112212122.

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

It is not an unprimeable number, because it can be changed into a prime (221212211102009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23132638 + ... + 31265689.

It is an arithmetic number, because the mean of its divisors is an integer number (41477310743472).

Almost surely, 2^{221212211102002} is an apocalyptic number.

221212211102002 is a deficient number, since it is larger than the sum of its proper divisors (110606274845774).

221212211102002 is a wasteful number, since it uses less digits than its factorization.

221212211102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56431592.

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

Adding to 221212211102002 its reverse (200201112212122), we get a palindrome (421413323314124).

The spelling of 221212211102002 in words is "two hundred twenty-one trillion, two hundred twelve billion, two hundred eleven million, one hundred two thousand, two".