22111211202 has 32 divisors (see below), whose sum is σ = 47632485120. Its totient is φ = 6820102800.

The previous prime is 22111211197. The next prime is 22111211203. The reversal of 22111211202 is 20211211122.

It is not an unprimeable number, because it can be changed into a prime (22111211203) 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, 2250424 + ... + 2260227.

It is an arithmetic number, because the mean of its divisors is an integer number (1488515160).

Almost surely, 2^22111211202 is an apocalyptic number.

22111211202 is an abundant number, since it is smaller than the sum of its proper divisors (25521273918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111211202 is a wasteful number, since it uses less digits than its factorization.

22111211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510718.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22111211202 its reverse (20211211122), we get a palindrome (42322422324).

The spelling of 22111211202 in words is "twenty-two billion, one hundred eleven million, two hundred eleven thousand, two hundred two".