222101212102 has 48 divisors (see below), whose sum is σ = 426961322640. Its totient is φ = 85676136000.

The previous prime is 222101212079. The next prime is 222101212127. The reversal of 222101212102 is 201212101222.

It is a happy number.

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, 911077 + ... + 1128832.

It is an arithmetic number, because the mean of its divisors is an integer number (8895027555).

Almost surely, 2^222101212102 is an apocalyptic number.

222101212102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222101212102 is a deficient number, since it is larger than the sum of its proper divisors (204860110538).

222101212102 is a wasteful number, since it uses less digits than its factorization.

222101212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040037 (or 2040030 counting only the distinct ones).

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

Adding to 222101212102 its reverse (201212101222), we get a palindrome (423313313324).

The spelling of 222101212102 in words is "two hundred twenty-two billion, one hundred one million, two hundred twelve thousand, one hundred two".