20122200011222 has 16 divisors (see below), whose sum is σ = 30251382830592. Its totient is φ = 10038425515200.

The previous prime is 20122200011203. The next prime is 20122200011231. The reversal of 20122200011222 is 22211000222102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122200011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2909078 + ... + 6979049.

It is an arithmetic number, because the mean of its divisors is an integer number (1890711426912).

Almost surely, 2^{20122200011222} is an apocalyptic number.

20122200011222 is a deficient number, since it is larger than the sum of its proper divisors (10129182819370).

20122200011222 is a wasteful number, since it uses less digits than its factorization.

20122200011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890423.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20122200011222 its reverse (22211000222102), we get a palindrome (42333200233324).

The spelling of 20122200011222 in words is "twenty trillion, one hundred twenty-two billion, two hundred million, eleven thousand, two hundred twenty-two".