22202111011 has 4 divisors (see below), whose sum is σ = 22506249592. Its totient is φ = 21897972432.

The previous prime is 22202110991. The next prime is 22202111033. The reversal of 22202111011 is 11011120222.

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 22202111011 - 2¹⁹ = 22201586723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22202110982 and 22202111000.

It is not an unprimeable number, because it can be changed into a prime (22202111081) 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, 152069181 + ... + 152069326.

It is an arithmetic number, because the mean of its divisors is an integer number (5626562398).

Almost surely, 2^22202111011 is an apocalyptic number.

22202111011 is a deficient number, since it is larger than the sum of its proper divisors (304138581).

22202111011 is an equidigital number, since it uses as much as digits as its factorization.

22202111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304138580.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22202111011 its reverse (11011120222), we get a palindrome (33213231233).

It can be divided in two parts, 2220211 and 1011, that added together give a palindrome (2221222).

The spelling of 22202111011 in words is "twenty-two billion, two hundred two million, one hundred eleven thousand, eleven".