11111200020122 has 8 divisors (see below), whose sum is σ = 16940026260372. Its totient is φ = 5464524600000.

The previous prime is 11111200020097. The next prime is 11111200020133. The reversal of 11111200020122 is 22102000211111.

It can be written as a sum of positive squares in 2 ways, for example, as 10664202140881 + 446997879241 = 3265609^2 + 668579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11111200020097 and 11111200020106.

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 3 ways as a sum of consecutive naturals, for example, 45537704879 + ... + 45537705122.

Almost surely, 2^{11111200020122} is an apocalyptic number.

11111200020122 is a deficient number, since it is larger than the sum of its proper divisors (5828826240250).

11111200020122 is an equidigital number, since it uses as much as digits as its factorization.

11111200020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91075410064.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11111200020122 its reverse (22102000211111), we get a palindrome (33213200231233).

The spelling of 11111200020122 in words is "eleven trillion, one hundred eleven billion, two hundred million, twenty thousand, one hundred twenty-two".