22101021112 has 8 divisors (see below), whose sum is σ = 41439414600. Its totient is φ = 11050510552.

The previous prime is 22101021101. The next prime is 22101021113. The reversal of 22101021112 is 21112010122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22101021092 and 22101021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1381313812 + ... + 1381313827.

It is an arithmetic number, because the mean of its divisors is an integer number (5179926825).

Almost surely, 2^22101021112 is an apocalyptic number.

It is an amenable number.

22101021112 is a deficient number, since it is larger than the sum of its proper divisors (19338393488).

22101021112 is a wasteful number, since it uses less digits than its factorization.

22101021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762627645 (or 2762627641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22101021112 its reverse (21112010122), we get a palindrome (43213031234).

The spelling of 22101021112 in words is "twenty-two billion, one hundred one million, twenty-one thousand, one hundred twelve".