20112333111222 has 32 divisors (see below), whose sum is σ = 43953746494464. Its totient is φ = 6084605781600.

The previous prime is 20112333111197. The next prime is 20112333111223. The reversal of 20112333111222 is 22211133321102.

It is a junction number, because it is equal to n+sod(n) for n = 20112333111192 and 20112333111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112333111223) 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, 250975029 + ... + 251055152.

It is an arithmetic number, because the mean of its divisors is an integer number (1373554577952).

Almost surely, 2^{20112333111222} is an apocalyptic number.

20112333111222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20112333111222 is an abundant number, since it is smaller than the sum of its proper divisors (23841413383242).

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

20112333111222 is a wasteful number, since it uses less digits than its factorization.

20112333111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502030804.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20112333111222 its reverse (22211133321102), we get a palindrome (42323466432324).

The spelling of 20112333111222 in words is "twenty trillion, one hundred twelve billion, three hundred thirty-three million, one hundred eleven thousand, two hundred twenty-two".