11011111020122 has 8 divisors (see below), whose sum is σ = 16516703884500. Its totient is φ = 5505543058624.

The previous prime is 11011111020121. The next prime is 11011111020127. The reversal of 11011111020122 is 22102011111011.

It can be written as a sum of positive squares in 2 ways, for example, as 10850903753041 + 160207267081 = 3294071^2 + 400259^2 .

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 = 11011111020097 and 11011111020106.

It is not an unprimeable number, because it can be changed into a prime (11011111020121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5077997 + ... + 6914352.

Almost surely, 2^{11011111020122} is an apocalyptic number.

11011111020122 is a deficient number, since it is larger than the sum of its proper divisors (5505592864378).

11011111020122 is a wasteful number, since it uses less digits than its factorization.

11011111020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451440.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11011111020122 its reverse (22102011111011), we get a palindrome (33113122131133).

The spelling of 11011111020122 in words is "eleven trillion, eleven billion, one hundred eleven million, twenty thousand, one hundred twenty-two".