22021102011 has 32 divisors (see below), whose sum is σ = 31174007040. Its totient is φ = 13788296064.

The previous prime is 22021102001. The next prime is 22021102039. The reversal of 22021102011 is 11020112022.

It is not a de Polignac number, because 22021102011 - 2¹⁰ = 22021100987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021102001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3675160 + ... + 3681146.

It is an arithmetic number, because the mean of its divisors is an integer number (974187720).

Almost surely, 2^22021102011 is an apocalyptic number.

22021102011 is a deficient number, since it is larger than the sum of its proper divisors (9152905029).

22021102011 is a wasteful number, since it uses less digits than its factorization.

22021102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22021102011 its reverse (11020112022), we get a palindrome (33041214033).

The spelling of 22021102011 in words is "twenty-two billion, twenty-one million, one hundred two thousand, eleven".