22101220110202 has 4 divisors (see below), whose sum is σ = 33151830165306. Its totient is φ = 11050610055100.

The previous prime is 22101220110181. The next prime is 22101220110217. The reversal of 22101220110202 is 20201102210122.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21990556769281 + 110663340921 = 4689409^2 + 332661^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525305027549 + ... + 5525305027552.

Almost surely, 2^{22101220110202} is an apocalyptic number.

22101220110202 is a deficient number, since it is larger than the sum of its proper divisors (11050610055104).

22101220110202 is a wasteful number, since it uses less digits than its factorization.

22101220110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050610055103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22101220110202 its reverse (20201102210122), we get a palindrome (42302322320324).

The spelling of 22101220110202 in words is "twenty-two trillion, one hundred one billion, two hundred twenty million, one hundred ten thousand, two hundred two".