22201011101212 has 12 divisors (see below), whose sum is σ = 38851890708400. Its totient is φ = 11100470898816.

The previous prime is 22201011101189. The next prime is 22201011101249. The reversal of 22201011101212 is 21210111010222.

It is a super-2 number, since 2×22201011101212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7193712 + ... + 9805687.

Almost surely, 2^{22201011101212} is an apocalyptic number.

It is an amenable number.

22201011101212 is a deficient number, since it is larger than the sum of its proper divisors (16650879607188).

22201011101212 is a wasteful number, since it uses less digits than its factorization.

22201011101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17325900 (or 17325898 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22201011101212 its reverse (21210111010222), we get a palindrome (43411122111434).

The spelling of 22201011101212 in words is "twenty-two trillion, two hundred one billion, eleven million, one hundred one thousand, two hundred twelve".