11001020122 has 4 divisors (see below), whose sum is σ = 16501530186. Its totient is φ = 5500510060.

The previous prime is 11001020119. The next prime is 11001020131. The reversal of 11001020122 is 22102010011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22102010011 = 23 ⋅960956957.

It can be written as a sum of positive squares in only one way, i.e., 10178993881 + 822026241 = 100891^2 + 28671^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11001020099 and 11001020108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750255029 + ... + 2750255032.

Almost surely, 2^11001020122 is an apocalyptic number.

11001020122 is a deficient number, since it is larger than the sum of its proper divisors (5500510064).

11001020122 is an equidigital number, since it uses as much as digits as its factorization.

11001020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500510063.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11001020122 its reverse (22102010011), we get a palindrome (33103030133).

The spelling of 11001020122 in words is "eleven billion, one million, twenty thousand, one hundred twenty-two".