22011220102 has 8 divisors (see below), whose sum is σ = 33062752800. Its totient is φ = 10990302504.

The previous prime is 22011220097. The next prime is 22011220103. The reversal of 22011220102 is 20102211022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011220103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7651977 + ... + 7654852.

It is an arithmetic number, because the mean of its divisors is an integer number (4132844100).

Almost surely, 2^22011220102 is an apocalyptic number.

22011220102 is a deficient number, since it is larger than the sum of its proper divisors (11051532698).

22011220102 is a wasteful number, since it uses less digits than its factorization.

22011220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307550.

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

Adding to 22011220102 its reverse (20102211022), we get a palindrome (42113431124).

The spelling of 22011220102 in words is "twenty-two billion, eleven million, two hundred twenty thousand, one hundred two".