2111100220222 has 64 divisors (see below), whose sum is σ = 3758074444800. Its totient is φ = 870236801280.

The previous prime is 2111100220199. The next prime is 2111100220259. The reversal of 2111100220222 is 2220220011112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2111100220196 and 2111100220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275129778 + ... + 275137450.

It is an arithmetic number, because the mean of its divisors is an integer number (58719913200).

Almost surely, 2^{2111100220222} is an apocalyptic number.

2111100220222 is a deficient number, since it is larger than the sum of its proper divisors (1646974224578).

2111100220222 is a wasteful number, since it uses less digits than its factorization.

2111100220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2111100220222 its reverse (2220220011112), we get a palindrome (4331320231334).

The spelling of 2111100220222 in words is "two trillion, one hundred eleven billion, one hundred million, two hundred twenty thousand, two hundred twenty-two".