11001001012122 has 16 divisors (see below), whose sum is σ = 24002184026592. Its totient is φ = 3333636670320.

The previous prime is 11001001012109. The next prime is 11001001012147. The reversal of 11001001012122 is 22121010010011.

It is a junction number, because it is equal to n+sod(n) for n = 11001001012098 and 11001001012107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83340916693 + ... + 83340916824.

It is an arithmetic number, because the mean of its divisors is an integer number (1500136501662).

Almost surely, 2^{11001001012122} is an apocalyptic number.

11001001012122 is an abundant number, since it is smaller than the sum of its proper divisors (13001183014470).

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

11001001012122 is a wasteful number, since it uses less digits than its factorization.

11001001012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166681833533.

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

Adding to 11001001012122 its reverse (22121010010011), we get a palindrome (33122011022133).

The spelling of 11001001012122 in words is "eleven trillion, one billion, one million, twelve thousand, one hundred twenty-two".