11000012122 has 8 divisors (see below), whose sum is σ = 18000019872. Its totient is φ = 5000005500.

The previous prime is 11000012119. The next prime is 11000012123. The reversal of 11000012122 is 22121000011.

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 = 11000012099 and 11000012108.

It is not an unprimeable number, because it can be changed into a prime (11000012123) 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, 250000254 + ... + 250000297.

It is an arithmetic number, because the mean of its divisors is an integer number (2250002484).

Almost surely, 2^11000012122 is an apocalyptic number.

11000012122 is a deficient number, since it is larger than the sum of its proper divisors (7000007750).

11000012122 is a wasteful number, since it uses less digits than its factorization.

11000012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500000564.

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

Adding to 11000012122 its reverse (22121000011), we get a palindrome (33121012133).

The spelling of 11000012122 in words is "eleven billion, twelve thousand, one hundred twenty-two".