22111201020212 has 12 divisors (see below), whose sum is σ = 38702429981376. Its totient is φ = 11053363882680.

The previous prime is 22111201020191. The next prime is 22111201020217. The reversal of 22111201020212 is 21202010211122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111201020217) 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, 559134614 + ... + 559174157.

It is an arithmetic number, because the mean of its divisors is an integer number (3225202498448).

Almost surely, 2^{22111201020212} is an apocalyptic number.

It is an amenable number.

22111201020212 is a deficient number, since it is larger than the sum of its proper divisors (16591228961164).

22111201020212 is a wasteful number, since it uses less digits than its factorization.

22111201020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118313718 (or 1118313716 counting only the distinct ones).

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

Adding to 22111201020212 its reverse (21202010211122), we get a palindrome (43313211231334).

The spelling of 22111201020212 in words is "twenty-two trillion, one hundred eleven billion, two hundred one million, twenty thousand, two hundred twelve".