22110202020212 has 24 divisors (see below), whose sum is σ = 40970132045640. Its totient is φ = 10404489000960.

The previous prime is 22110202020167. The next prime is 22110202020301. The reversal of 22110202020212 is 21202020201122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1444140572176 + 20666061448036 = 1201724^2 + 4545994^2 .

It is a super-2 number, since 2×22110202020212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 2581589 + ... + 7133372.

It is an arithmetic number, because the mean of its divisors is an integer number (1707088835235).

Almost surely, 2^{22110202020212} is an apocalyptic number.

It is an amenable number.

22110202020212 is a deficient number, since it is larger than the sum of its proper divisors (18859930025428).

22110202020212 is a wasteful number, since it uses less digits than its factorization.

22110202020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748451 (or 9748449 counting only the distinct ones).

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

Adding to 22110202020212 its reverse (21202020201122), we get a palindrome (43312222221334).

The spelling of 22110202020212 in words is "twenty-two trillion, one hundred ten billion, two hundred two million, twenty thousand, two hundred twelve".