20111001100122 has 32 divisors (see below), whose sum is σ = 40308146380800. Its totient is φ = 6689311181168.

The previous prime is 20111001100111. The next prime is 20111001100199. The reversal of 20111001100122 is 22100110011102.

It is a junction number, because it is equal to n+sod(n) for n = 20111001100098 and 20111001100107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56033683 + ... + 56391449.

It is an arithmetic number, because the mean of its divisors is an integer number (1259629574400).

Almost surely, 2^{20111001100122} is an apocalyptic number.

20111001100122 is an abundant number, since it is smaller than the sum of its proper divisors (20197145280678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111001100122 is a wasteful number, since it uses less digits than its factorization.

20111001100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377810.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20111001100122 its reverse (22100110011102), we get a palindrome (42211111111224).

The spelling of 20111001100122 in words is "twenty trillion, one hundred eleven billion, one million, one hundred thousand, one hundred twenty-two".