102012111222122 has 16 divisors (see below), whose sum is σ = 153901753505280. Its totient is φ = 50712288762672.

The previous prime is 102012111222121. The next prime is 102012111222139. The reversal of 102012111222122 is 221222111210201.

It is a junction number, because it is equal to n+sod(n) for n = 102012111222094 and 102012111222103.

It is not an unprimeable number, because it can be changed into a prime (102012111222121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190242458 + ... + 190777925.

It is an arithmetic number, because the mean of its divisors is an integer number (9618859594080).

Almost surely, 2^{102012111222122} is an apocalyptic number.

102012111222122 is a deficient number, since it is larger than the sum of its proper divisors (51889642283158).

102012111222122 is a wasteful number, since it uses less digits than its factorization.

102012111222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381021157.

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

Adding to 102012111222122 its reverse (221222111210201), we get a palindrome (323234222432323).

The spelling of 102012111222122 in words is "one hundred two trillion, twelve billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".