221222201120002 has 32 divisors (see below), whose sum is σ = 350751949027200. Its totient is φ = 104353562677248.

The previous prime is 221222201119987. The next prime is 221222201120099. The reversal of 221222201120002 is 200021102222122.

It is a super-2 number, since 2×221222201120002² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 15 ways as a sum of consecutive naturals, for example, 33168403 + ... + 39275785.

It is an arithmetic number, because the mean of its divisors is an integer number (10960998407100).

Almost surely, 2^{221222201120002} is an apocalyptic number.

221222201120002 is a deficient number, since it is larger than the sum of its proper divisors (129529747907198).

221222201120002 is a wasteful number, since it uses less digits than its factorization.

221222201120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111370.

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

Adding to 221222201120002 its reverse (200021102222122), we get a palindrome (421243303342124).

The spelling of 221222201120002 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty thousand, two".