20112102022222 has 32 divisors (see below), whose sum is σ = 35221454251200. Its totient is φ = 8609688299520.

The previous prime is 20112102022219. The next prime is 20112102022231. The reversal of 20112102022222 is 22222020121102.

It is a self number, because there is not a number n which added to its sum of digits gives 20112102022222.

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, 16034643 + ... + 17243374.

It is an arithmetic number, because the mean of its divisors is an integer number (1100670445350).

Almost surely, 2^{20112102022222} is an apocalyptic number.

20112102022222 is a deficient number, since it is larger than the sum of its proper divisors (15109352228978).

20112102022222 is an equidigital number, since it uses as much as digits as its factorization.

20112102022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33278921 (or 33278907 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20112102022222 its reverse (22222020121102), we get a palindrome (42334122143324).

The spelling of 20112102022222 in words is "twenty trillion, one hundred twelve billion, one hundred two million, twenty-two thousand, two hundred twenty-two".