11121000120122 has 4 divisors (see below), whose sum is σ = 16681500180186. Its totient is φ = 5560500060060.

The previous prime is 11121000120107. The next prime is 11121000120133. The reversal of 11121000120122 is 22102100012111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11116896308401 + 4103811721 = 3334201^2 + 64061^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11121000120097 and 11121000120106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780250030029 + ... + 2780250030032.

Almost surely, 2^{11121000120122} is an apocalyptic number.

11121000120122 is a deficient number, since it is larger than the sum of its proper divisors (5560500060064).

11121000120122 is an equidigital number, since it uses as much as digits as its factorization.

11121000120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560500060063.

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

Adding to 11121000120122 its reverse (22102100012111), we get a palindrome (33223100132233).

The spelling of 11121000120122 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty thousand, one hundred twenty-two".