11021100012122 has 4 divisors (see below), whose sum is σ = 16531650018186. Its totient is φ = 5510550006060.

The previous prime is 11021100012071. The next prime is 11021100012127. The reversal of 11021100012122 is 22121000112011.

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., 9046313428681 + 1974786583441 = 3007709^2 + 1405271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11021100012097 and 11021100012106.

It is not an unprimeable number, because it can be changed into a prime (11021100012127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755275003029 + ... + 2755275003032.

Almost surely, 2^{11021100012122} is an apocalyptic number.

11021100012122 is a deficient number, since it is larger than the sum of its proper divisors (5510550006064).

11021100012122 is an equidigital number, since it uses as much as digits as its factorization.

11021100012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510550006063.

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

Adding to 11021100012122 its reverse (22121000112011), we get a palindrome (33142100124133).

The spelling of 11021100012122 in words is "eleven trillion, twenty-one billion, one hundred million, twelve thousand, one hundred twenty-two".