22102022011 has 4 divisors (see below), whose sum is σ = 22138798024. Its totient is φ = 22065246000.

The previous prime is 22102021993. The next prime is 22102022021. The reversal of 22102022011 is 11022020122.

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: 11022020122 = 2 ⋅5511010061.

It is a cyclic number.

It is not a de Polignac number, because 22102022011 - 2¹³ = 22102013819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102021982 and 22102022000.

It is not an unprimeable number, because it can be changed into a prime (22102022021) 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, 18387105 + ... + 18388306.

It is an arithmetic number, because the mean of its divisors is an integer number (5534699506).

Almost surely, 2^22102022011 is an apocalyptic number.

22102022011 is a deficient number, since it is larger than the sum of its proper divisors (36776013).

22102022011 is an equidigital number, since it uses as much as digits as its factorization.

22102022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36776012.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22102022011 its reverse (11022020122), we get a palindrome (33124042133).

The spelling of 22102022011 in words is "twenty-two billion, one hundred two million, twenty-two thousand, eleven".