22110022020212 has 18 divisors (see below), whose sum is σ = 45009687684402. Its totient is φ = 9475723722864.

The previous prime is 22110022020181. The next prime is 22110022020269. The reversal of 22110022020212 is 21202022001122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14968278880996 + 7141743139216 = 3868886^2 + 2672404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56403117203 + ... + 56403117594.

It is an arithmetic number, because the mean of its divisors is an integer number (2500538204689).

Almost surely, 2^{22110022020212} is an apocalyptic number.

It is an amenable number.

22110022020212 is an abundant number, since it is smaller than the sum of its proper divisors (22899665664190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22110022020212 is a wasteful number, since it uses less digits than its factorization.

22110022020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112806234815 (or 112806234806 counting only the distinct ones).

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

Adding to 22110022020212 its reverse (21202022001122), we get a palindrome (43312044021334).

The spelling of 22110022020212 in words is "twenty-two trillion, one hundred ten billion, twenty-two million, twenty thousand, two hundred twelve".