22220002121210 has 8 divisors (see below), whose sum is σ = 39996003818196. Its totient is φ = 8888000848480.

The previous prime is 22220002121197. The next prime is 22220002121237. The reversal of 22220002121210 is 1212120002222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19086404702401 + 3133597418809 = 4368799^2 + 1770197^2 .

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

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, 1111000106051 + ... + 1111000106070.

Almost surely, 2^{22220002121210} is an apocalyptic number.

22220002121210 is a deficient number, since it is larger than the sum of its proper divisors (17776001696986).

22220002121210 is a wasteful number, since it uses less digits than its factorization.

22220002121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222000212128.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22220002121210 its reverse (1212120002222), we get a palindrome (23432122123432).

The spelling of 22220002121210 in words is "twenty-two trillion, two hundred twenty billion, two million, one hundred twenty-one thousand, two hundred ten".