22011102212 has 24 divisors (see below), whose sum is σ = 43848205632. Its totient is φ = 9570044000.

The previous prime is 22011102203. The next prime is 22011102221. The reversal of 22011102212 is 21220111022.

It is an interprime number because it is at equal distance from previous prime (22011102203) and next prime (22011102221).

It is a super-2 number, since 2×22011102212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10874039 + ... + 10876062.

It is an arithmetic number, because the mean of its divisors is an integer number (1827008568).

Almost surely, 2^22011102212 is an apocalyptic number.

22011102212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22011102212 is a deficient number, since it is larger than the sum of its proper divisors (21837103420).

22011102212 is a wasteful number, since it uses less digits than its factorization.

22011102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21750139 (or 21750137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22011102212 its reverse (21220111022), we get a palindrome (43231213234).

The spelling of 22011102212 in words is "twenty-two billion, eleven million, one hundred two thousand, two hundred twelve".