22102020011 has 4 divisors (see below), whose sum is σ = 22106704392. Its totient is φ = 22097335632.

The previous prime is 22102020001. The next prime is 22102020043. The reversal of 22102020011 is 11002020122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11002020122 = 2 ⋅5501010061.

It is a cyclic number.

It is not a de Polignac number, because 22102020011 - 2²² = 22097825707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102019974 and 22102020001.

It is not an unprimeable number, because it can be changed into a prime (22102020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335106 + ... + 2344551.

It is an arithmetic number, because the mean of its divisors is an integer number (5526676098).

Almost surely, 2^22102020011 is an apocalyptic number.

22102020011 is a deficient number, since it is larger than the sum of its proper divisors (4684381).

22102020011 is an equidigital number, since it uses as much as digits as its factorization.

22102020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684380.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22102020011 its reverse (11002020122), we get a palindrome (33104040133).

The spelling of 22102020011 in words is "twenty-two billion, one hundred two million, twenty thousand, eleven".