22021110202 has 32 divisors (see below), whose sum is σ = 42421946112. Its totient is φ = 8332879104.

The previous prime is 22021110197. The next prime is 22021110203. The reversal of 22021110202 is 20201112022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (22021110203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2626143 + ... + 2634514.

It is an arithmetic number, because the mean of its divisors is an integer number (1325685816).

Almost surely, 2^22021110202 is an apocalyptic number.

22021110202 is a deficient number, since it is larger than the sum of its proper divisors (20400835910).

22021110202 is a wasteful number, since it uses less digits than its factorization.

22021110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260702.

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

Adding to 22021110202 its reverse (20201112022), we get a palindrome (42222222224).

The spelling of 22021110202 in words is "twenty-two billion, twenty-one million, one hundred ten thousand, two hundred two".