2221122102122 has 16 divisors (see below), whose sum is σ = 4153786788672. Its totient is φ = 865372247520.

The previous prime is 2221122102091. The next prime is 2221122102131. The reversal of 2221122102122 is 2212012211222.

It is a junction number, because it is equal to n+sod(n) for n = 2221122102094 and 2221122102103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7211435243 + ... + 7211435550.

It is an arithmetic number, because the mean of its divisors is an integer number (259611674292).

Almost surely, 2^{2221122102122} is an apocalyptic number.

2221122102122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221122102122 is a deficient number, since it is larger than the sum of its proper divisors (1932664686550).

2221122102122 is a wasteful number, since it uses less digits than its factorization.

2221122102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14422870813.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2221122102122 its reverse (2212012211222), we get a palindrome (4433134313344).

The spelling of 2221122102122 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, one hundred twenty-two".