22101102 has 24 divisors (see below), whose sum is σ = 47987784. Its totient is φ = 7351344.

The previous prime is 22101083. The next prime is 22101113. The reversal of 22101102 is 20110122.

It is a super-2 number, since 2×22101102² = 976917419228808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10033 + ... + 12035.

It is an arithmetic number, because the mean of its divisors is an integer number (1999491).

Almost surely, 2^22101102 is an apocalyptic number.

22101102 is an abundant number, since it is smaller than the sum of its proper divisors (25886682).

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

22101102 is a wasteful number, since it uses less digits than its factorization.

22101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 22101102 is about 4701.1809154722. The cubic root of 22101102 is about 280.6325071941.

Adding to 22101102 its reverse (20110122), we get a palindrome (42211224).

It can be divided in two parts, 22 and 101102, that added together give a square (101124 = 318²).

The spelling of 22101102 in words is "twenty-two million, one hundred one thousand, one hundred two".