2102122221122 has 64 divisors (see below), whose sum is σ = 4156220851200. Its totient is φ = 772514470080.

The previous prime is 2102122221113. The next prime is 2102122221149. The reversal of 2102122221122 is 2211222212012.

It is a junction number, because it is equal to n+sod(n) for n = 2102122221094 and 2102122221103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898568 + ... + 2238675.

It is an arithmetic number, because the mean of its divisors is an integer number (64940950800).

Almost surely, 2^{2102122221122} is an apocalyptic number.

2102122221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2102122221122 is a deficient number, since it is larger than the sum of its proper divisors (2054098630078).

2102122221122 is a wasteful number, since it uses less digits than its factorization.

2102122221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137511.

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

Adding to 2102122221122 its reverse (2211222212012), we get a palindrome (4313344433134).

The spelling of 2102122221122 in words is "two trillion, one hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".