11022121112122 has 4 divisors (see below), whose sum is σ = 16533181668186. Its totient is φ = 5511060556060.

The previous prime is 11022121112111. The next prime is 11022121112129. The reversal of 11022121112122 is 22121112122011.

It is a happy number.

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., 7006349596401 + 4015771515721 = 2646951^2 + 2003939^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11022121112122.

It is not an unprimeable number, because it can be changed into a prime (11022121112129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755530278029 + ... + 2755530278032.

Almost surely, 2^{11022121112122} is an apocalyptic number.

11022121112122 is a deficient number, since it is larger than the sum of its proper divisors (5511060556064).

11022121112122 is an equidigital number, since it uses as much as digits as its factorization.

11022121112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511060556063.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11022121112122 its reverse (22121112122011), we get a palindrome (33143233234133).

The spelling of 11022121112122 in words is "eleven trillion, twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".