221112102102122 has 48 divisors (see below), whose sum is σ = 432268650015552. Its totient is φ = 82402025597760.

The previous prime is 221112102102113. The next prime is 221112102102139. The reversal of 221112102102122 is 221201201211122.

It is a junction number, because it is equal to n+sod(n) for n = 221112102102094 and 221112102102103.

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, 1357000643 + ... + 1357163574.

It is an arithmetic number, because the mean of its divisors is an integer number (9005596875324).

Almost surely, 2^{221112102102122} is an apocalyptic number.

221112102102122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221112102102122 is a deficient number, since it is larger than the sum of its proper divisors (211156547913430).

221112102102122 is a wasteful number, since it uses less digits than its factorization.

221112102102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714164283 (or 2714164260 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221112102102122 its reverse (221201201211122), we get a palindrome (442313303313244).

The spelling of 221112102102122 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred two million, one hundred two thousand, one hundred twenty-two".