221000001310222 has 4 divisors (see below), whose sum is σ = 331500001965336. Its totient is φ = 110500000655110.

The previous prime is 221000001310169. The next prime is 221000001310247. The reversal of 221000001310222 is 222013100000122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 221000001310196 and 221000001310205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55250000327554 + ... + 55250000327557.

It is an arithmetic number, because the mean of its divisors is an integer number (82875000491334).

Almost surely, 2^{221000001310222} is an apocalyptic number.

221000001310222 is a deficient number, since it is larger than the sum of its proper divisors (110500000655114).

221000001310222 is a wasteful number, since it uses less digits than its factorization.

221000001310222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110500000655113.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 221000001310222 its reverse (222013100000122), we get a palindrome (443013101310344).

The spelling of 221000001310222 in words is "two hundred twenty-one trillion, one million, three hundred ten thousand, two hundred twenty-two".