2101100211222 has 16 divisors (see below), whose sum is σ = 4206475307520. Its totient is φ = 699654256232.

The previous prime is 2101100211169. The next prime is 2101100211251. The reversal of 2101100211222 is 2221120011012.

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, 178113822 + ... + 178125617.

It is an arithmetic number, because the mean of its divisors is an integer number (262904706720).

Almost surely, 2^{2101100211222} is an apocalyptic number.

2101100211222 is an abundant number, since it is smaller than the sum of its proper divisors (2105375096298).

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

2101100211222 is a wasteful number, since it uses less digits than its factorization.

2101100211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356240427.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2101100211222 its reverse (2221120011012), we get a palindrome (4322220222234).

The spelling of 2101100211222 in words is "two trillion, one hundred one billion, one hundred million, two hundred eleven thousand, two hundred twenty-two".