11020222012121 has 8 divisors (see below), whose sum is σ = 12632589413184. Its totient is φ = 9417367103760.

The previous prime is 11020222012013. The next prime is 11020222012123. The reversal of 11020222012121 is 12121022202011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11020222012121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020222012121.

It is not an unprimeable number, because it can be changed into a prime (11020222012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2378120690 + ... + 2378125323.

It is an arithmetic number, because the mean of its divisors is an integer number (1579073676648).

Almost surely, 2^{11020222012121} is an apocalyptic number.

It is an amenable number.

11020222012121 is a deficient number, since it is larger than the sum of its proper divisors (1612367401063).

11020222012121 is an equidigital number, since it uses as much as digits as its factorization.

11020222012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756246351.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11020222012121 its reverse (12121022202011), we get a palindrome (23141244214132).

The spelling of 11020222012121 in words is "eleven trillion, twenty billion, two hundred twenty-two million, twelve thousand, one hundred twenty-one".