22012220102 has 4 divisors (see below), whose sum is σ = 33018330156. Its totient is φ = 11006110050.

The previous prime is 22012220101. The next prime is 22012220137. The reversal of 22012220102 is 20102221022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012220101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503055024 + ... + 5503055027.

It is an arithmetic number, because the mean of its divisors is an integer number (8254582539).

Almost surely, 2^22012220102 is an apocalyptic number.

22012220102 is a deficient number, since it is larger than the sum of its proper divisors (11006110054).

22012220102 is a wasteful number, since it uses less digits than its factorization.

22012220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006110053.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22012220102 its reverse (20102221022), we get a palindrome (42114441124).

The spelling of 22012220102 in words is "twenty-two billion, twelve million, two hundred twenty thousand, one hundred two".