22100021002012 has 6 divisors (see below), whose sum is σ = 38675036753528. Its totient is φ = 11050010501004.

The previous prime is 22100021002001. The next prime is 22100021002019. The reversal of 22100021002012 is 21020012000122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22100021001983 and 22100021002001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100021002019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762502625248 + ... + 2762502625255.

Almost surely, 2^{22100021002012} is an apocalyptic number.

It is an amenable number.

22100021002012 is a deficient number, since it is larger than the sum of its proper divisors (16575015751516).

22100021002012 is a wasteful number, since it uses less digits than its factorization.

22100021002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525005250507 (or 5525005250505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100021002012 its reverse (21020012000122), we get a palindrome (43120033002134).

The spelling of 22100021002012 in words is "twenty-two trillion, one hundred billion, twenty-one million, two thousand, twelve".