22110021212210 has 16 divisors (see below), whose sum is σ = 39798109498392. Its totient is φ = 8843992636800.

The previous prime is 22110021212179. The next prime is 22110021212281. The reversal of 22110021212210 is 1221212001122.

It can be written as a sum of positive squares in 4 ways, for example, as 15495819679729 + 6614201532481 = 3936473^2 + 2571809^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5075420 + ... + 8365400.

Almost surely, 2^{22110021212210} is an apocalyptic number.

22110021212210 is a deficient number, since it is larger than the sum of its proper divisors (17688088286182).

22110021212210 is a wasteful number, since it uses less digits than its factorization.

22110021212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962029.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22110021212210 its reverse (1221212001122), we get a palindrome (23331233213332).

The spelling of 22110021212210 in words is "twenty-two trillion, one hundred ten billion, twenty-one million, two hundred twelve thousand, two hundred ten".