20111200120022 has 64 divisors (see below), whose sum is σ = 35321036774400. Its totient is φ = 8486415674880.

The previous prime is 20111200120001. The next prime is 20111200120031. The reversal of 20111200120022 is 22002100211102.

It is a junction number, because it is equal to n+sod(n) for n = 20111200119979 and 20111200120006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29594129 + ... + 30266067.

It is an arithmetic number, because the mean of its divisors is an integer number (551891199600).

Almost surely, 2^{20111200120022} is an apocalyptic number.

20111200120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111200120022 is a deficient number, since it is larger than the sum of its proper divisors (15209836654378).

20111200120022 is a wasteful number, since it uses less digits than its factorization.

20111200120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673061.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20111200120022 its reverse (22002100211102), we get a palindrome (42113300331124).

The spelling of 20111200120022 in words is "twenty trillion, one hundred eleven billion, two hundred million, one hundred twenty thousand, twenty-two".