20111010222 has 48 divisors (see below), whose sum is σ = 40801795920. Its totient is φ = 6608184960.

The previous prime is 20111010203. The next prime is 20111010289. The reversal of 20111010222 is 22201011102.

It is a junction number, because it is equal to n+sod(n) for n = 20111010198 and 20111010207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17812554 + ... + 17813682.

It is an arithmetic number, because the mean of its divisors is an integer number (850037415).

Almost surely, 2^20111010222 is an apocalyptic number.

20111010222 is an abundant number, since it is smaller than the sum of its proper divisors (20690785698).

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

20111010222 is a wasteful number, since it uses less digits than its factorization.

20111010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20111010222 its reverse (22201011102), we get a palindrome (42312021324).

The spelling of 20111010222 in words is "twenty billion, one hundred eleven million, ten thousand, two hundred twenty-two".