2101223214222 has 32 divisors (see below), whose sum is σ = 4635998115840. Its totient is φ = 629579987520.

The previous prime is 2101223214203. The next prime is 2101223214229. The reversal of 2101223214222 is 2224123221012.

It is a junction number, because it is equal to n+sod(n) for n = 2101223214192 and 2101223214201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101223214229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178852078 + ... + 178863825.

It is an arithmetic number, because the mean of its divisors is an integer number (144874941120).

Almost surely, 2^{2101223214222} is an apocalyptic number.

2101223214222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101223214222 is an abundant number, since it is smaller than the sum of its proper divisors (2534774901618).

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

2101223214222 is a wasteful number, since it uses less digits than its factorization.

2101223214222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357716008.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2101223214222 its reverse (2224123221012), we get a palindrome (4325346435234).

The spelling of 2101223214222 in words is "two trillion, one hundred one billion, two hundred twenty-three million, two hundred fourteen thousand, two hundred twenty-two".