20113111222 has 16 divisors (see below), whose sum is σ = 30333956400. Its totient is φ = 10001859840.

The previous prime is 20113111169. The next prime is 20113111253. The reversal of 20113111222 is 22211131102.

It is a junction number, because it is equal to n+sod(n) for n = 20113111196 and 20113111205.

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, 612354 + ... + 644362.

It is an arithmetic number, because the mean of its divisors is an integer number (1895872275).

Almost surely, 2^20113111222 is an apocalyptic number.

20113111222 is a deficient number, since it is larger than the sum of its proper divisors (10220845178).

20113111222 is a wasteful number, since it uses less digits than its factorization.

20113111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33711.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20113111222 its reverse (22211131102), we get a palindrome (42324242324).

The spelling of 20113111222 in words is "twenty billion, one hundred thirteen million, one hundred eleven thousand, two hundred twenty-two".