20110122012122 has 16 divisors (see below), whose sum is σ = 30175775467200. Its totient is φ = 10051530495552.

The previous prime is 20110122012121. The next prime is 20110122012181. The reversal of 20110122012122 is 22121022101102.

It is a self number, because there is not a number n which added to its sum of digits gives 20110122012122.

It is not an unprimeable number, because it can be changed into a prime (20110122012121) 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, 160306379 + ... + 160431777.

It is an arithmetic number, because the mean of its divisors is an integer number (1885985966700).

Almost surely, 2^{20110122012122} is an apocalyptic number.

20110122012122 is a deficient number, since it is larger than the sum of its proper divisors (10065653455078).

20110122012122 is a wasteful number, since it uses less digits than its factorization.

20110122012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152917.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20110122012122 its reverse (22121022101102), we get a palindrome (42231144113224).

The spelling of 20110122012122 in words is "twenty trillion, one hundred ten billion, one hundred twenty-two million, twelve thousand, one hundred twenty-two".