22011002101212 has 24 divisors (see below), whose sum is σ = 51363347755776. Its totient is φ = 7336380292848.

The previous prime is 22011002101189. The next prime is 22011002101247. The reversal of 22011002101212 is 21210120011022.

It is a junction number, because it is equal to n+sod(n) for n = 22011002101191 and 22011002101200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77403108 + ... + 77686955.

It is an arithmetic number, because the mean of its divisors is an integer number (2140139489824).

Almost surely, 2^{22011002101212} is an apocalyptic number.

It is an amenable number.

22011002101212 is an abundant number, since it is smaller than the sum of its proper divisors (29352345654564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011002101212 is a wasteful number, since it uses less digits than its factorization.

22011002101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155101897 (or 155101895 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22011002101212 its reverse (21210120011022), we get a palindrome (43221122112234).

The spelling of 22011002101212 in words is "twenty-two trillion, eleven billion, two million, one hundred one thousand, two hundred twelve".