22010220011 has 4 divisors (see below), whose sum is σ = 23703313872. Its totient is φ = 20317126152.

The previous prime is 22010219977. The next prime is 22010220031. The reversal of 22010220011 is 11002201022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22010220011 - 2⁶ = 22010219947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22010219974 and 22010220001.

It is not an unprimeable number, because it can be changed into a prime (22010220031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846546911 + ... + 846546936.

It is an arithmetic number, because the mean of its divisors is an integer number (5925828468).

Almost surely, 2^22010220011 is an apocalyptic number.

22010220011 is a deficient number, since it is larger than the sum of its proper divisors (1693093861).

22010220011 is a wasteful number, since it uses less digits than its factorization.

22010220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693093860.

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

Adding to 22010220011 its reverse (11002201022), we get a palindrome (33012421033).

The spelling of 22010220011 in words is "twenty-two billion, ten million, two hundred twenty thousand, eleven".