22120102 has 4 divisors (see below), whose sum is σ = 33180156. Its totient is φ = 11060050.

The previous prime is 22120099. The next prime is 22120151. The reversal of 22120102 is 20102122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20102122 = 2 ⋅10051061.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530024 + ... + 5530027.

It is an arithmetic number, because the mean of its divisors is an integer number (8295039).

Almost surely, 2^22120102 is an apocalyptic number.

22120102 is a deficient number, since it is larger than the sum of its proper divisors (11060054).

22120102 is a wasteful number, since it uses less digits than its factorization.

22120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060053.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22120102 is about 4703.2012502125. The cubic root of 22120102 is about 280.7129027390.

Adding to 22120102 its reverse (20102122), we get a palindrome (42222224).

It can be divided in two parts, 22120 and 102, that added together give a palindrome (22222).

The spelling of 22120102 in words is "twenty-two million, one hundred twenty thousand, one hundred two".