10111220222 has 4 divisors (see below), whose sum is σ = 15166830336. Its totient is φ = 5055610110.

The previous prime is 10111220219. The next prime is 10111220239. The reversal of 10111220222 is 22202211101.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 10111220197 and 10111220206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527805054 + ... + 2527805057.

It is an arithmetic number, because the mean of its divisors is an integer number (3791707584).

Almost surely, 2^10111220222 is an apocalyptic number.

10111220222 is a deficient number, since it is larger than the sum of its proper divisors (5055610114).

10111220222 is an equidigital number, since it uses as much as digits as its factorization.

10111220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055610113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10111220222 its reverse (22202211101), we get a palindrome (32313431323).

The spelling of 10111220222 in words is "ten billion, one hundred eleven million, two hundred twenty thousand, two hundred twenty-two".