22110212202212 has 6 divisors (see below), whose sum is σ = 38692871353878. Its totient is φ = 11055106101104.

The previous prime is 22110212202193. The next prime is 22110212202341. The reversal of 22110212202212 is 21220221201122.

It can be written as a sum of positive squares in only one way, i.e., 18213638849536 + 3896573352676 = 4267744^2 + 1973974^2 .

It is a super-2 number, since 2×22110212202212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2763776525273 + ... + 2763776525280.

It is an arithmetic number, because the mean of its divisors is an integer number (6448811892313).

Almost surely, 2^{22110212202212} is an apocalyptic number.

It is an amenable number.

22110212202212 is a deficient number, since it is larger than the sum of its proper divisors (16582659151666).

22110212202212 is a wasteful number, since it uses less digits than its factorization.

22110212202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527553050557 (or 5527553050555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22110212202212 its reverse (21220221201122), we get a palindrome (43330433403334).

The spelling of 22110212202212 in words is "twenty-two trillion, one hundred ten billion, two hundred twelve million, two hundred two thousand, two hundred twelve".