2210121221222 has 8 divisors (see below), whose sum is σ = 3489665086200. Its totient is φ = 1046899525824.

The previous prime is 2210121221221. The next prime is 2210121221239. The reversal of 2210121221222 is 2221221210122.

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

It is a junction number, because it is equal to n+sod(n) for n = 2210121221194 and 2210121221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210121221221) 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, 29080542347 + ... + 29080542422.

It is an arithmetic number, because the mean of its divisors is an integer number (436208135775).

Almost surely, 2^{2210121221222} is an apocalyptic number.

2210121221222 is a deficient number, since it is larger than the sum of its proper divisors (1279543864978).

2210121221222 is a wasteful number, since it uses less digits than its factorization.

2210121221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58161084790.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2210121221222 its reverse (2221221210122), we get a palindrome (4431342431344).

The spelling of 2210121221222 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-two".