22101111222 has 32 divisors (see below), whose sum is σ = 46870233984. Its totient is φ = 6923625600.

The previous prime is 22101111211. The next prime is 22101111251. The reversal of 22101111222 is 22211110122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86304 + ... + 227267.

It is an arithmetic number, because the mean of its divisors is an integer number (1464694812).

Almost surely, 2^22101111222 is an apocalyptic number.

22101111222 is an abundant number, since it is smaller than the sum of its proper divisors (24769122762).

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

22101111222 is a wasteful number, since it uses less digits than its factorization.

22101111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314284.

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

Adding to 22101111222 its reverse (22211110122), we get a palindrome (44312221344).

The spelling of 22101111222 in words is "twenty-two billion, one hundred one million, one hundred eleven thousand, two hundred twenty-two".