11002221020122 has 4 divisors (see below), whose sum is σ = 16503331530186. Its totient is φ = 5501110510060.

The previous prime is 11002221020113. The next prime is 11002221020129. The reversal of 11002221020122 is 22102012220011.

It is a happy number.

11002221020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 10410553918521 + 591667101601 = 3226539^2 + 769199^2 .

It is a super-2 number, since 2×11002221020122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11002221020096 and 11002221020105.

It is not an unprimeable number, because it can be changed into a prime (11002221020129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750555255029 + ... + 2750555255032.

Almost surely, 2^{11002221020122} is an apocalyptic number.

11002221020122 is a deficient number, since it is larger than the sum of its proper divisors (5501110510064).

11002221020122 is an equidigital number, since it uses as much as digits as its factorization.

11002221020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501110510063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11002221020122 its reverse (22102012220011), we get a palindrome (33104233240133).

The spelling of 11002221020122 in words is "eleven trillion, two billion, two hundred twenty-one million, twenty thousand, one hundred twenty-two".