22101020012 has 24 divisors (see below), whose sum is σ = 39272919840. Its totient is φ = 10880593920.

The previous prime is 22101019961. The next prime is 22101020069. The reversal of 22101020012 is 21002010122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22101019975 and 22101020002.

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, 167798 + ... + 268994.

It is an arithmetic number, because the mean of its divisors is an integer number (1636371660).

Almost surely, 2^22101020012 is an apocalyptic number.

It is an amenable number.

22101020012 is a deficient number, since it is larger than the sum of its proper divisors (17171899828).

22101020012 is a wasteful number, since it uses less digits than its factorization.

22101020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102041 (or 102039 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22101020012 its reverse (21002010122), we get a palindrome (43103030134).

The spelling of 22101020012 in words is "twenty-two billion, one hundred one million, twenty thousand, twelve".