22102101212 has 12 divisors (see below), whose sum is σ = 38756193000. Its totient is φ = 11028903216.

The previous prime is 22102101191. The next prime is 22102101223. The reversal of 22102101212 is 21210120122.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5534603 + ... + 5538594.

It is an arithmetic number, because the mean of its divisors is an integer number (3229682750).

Almost surely, 2^22102101212 is an apocalyptic number.

It is an amenable number.

22102101212 is a deficient number, since it is larger than the sum of its proper divisors (16654091788).

22102101212 is a wasteful number, since it uses less digits than its factorization.

22102101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11073700 (or 11073698 counting only the distinct ones).

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

Adding to 22102101212 its reverse (21210120122), we get a palindrome (43312221334).

The spelling of 22102101212 in words is "twenty-two billion, one hundred two million, one hundred one thousand, two hundred twelve".