22201112202212 has 6 divisors (see below), whose sum is σ = 38851946353878. Its totient is φ = 11100556101104.

The previous prime is 22201112202187. The next prime is 22201112202323. The reversal of 22201112202212 is 21220221110222.

It can be written as a sum of positive squares in only one way, i.e., 19769708186596 + 2431404015616 = 4446314^2 + 1559296^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775139025273 + ... + 2775139025280.

It is an arithmetic number, because the mean of its divisors is an integer number (6475324392313).

Almost surely, 2^{22201112202212} is an apocalyptic number.

It is an amenable number.

22201112202212 is a deficient number, since it is larger than the sum of its proper divisors (16650834151666).

22201112202212 is a wasteful number, since it uses less digits than its factorization.

22201112202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550278050557 (or 5550278050555 counting only the distinct ones).

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

Adding to 22201112202212 its reverse (21220221110222), we get a palindrome (43421333312434).

The spelling of 22201112202212 in words is "twenty-two trillion, two hundred one billion, one hundred twelve million, two hundred two thousand, two hundred twelve".