22012202011 has 4 divisors (see below), whose sum is σ = 22024426024. Its totient is φ = 21999978000.

The previous prime is 22012201979. The next prime is 22012202027. The reversal of 22012202011 is 11020221022.

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 22012202011 - 2⁵ = 22012201979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012201982 and 22012202000.

It is not an unprimeable number, because it can be changed into a prime (22012202041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6109305 + ... + 6112906.

It is an arithmetic number, because the mean of its divisors is an integer number (5506106506).

Almost surely, 2^22012202011 is an apocalyptic number.

22012202011 is a deficient number, since it is larger than the sum of its proper divisors (12224013).

22012202011 is a wasteful number, since it uses less digits than its factorization.

22012202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224012.

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

Adding to 22012202011 its reverse (11020221022), we get a palindrome (33032423033).

The spelling of 22012202011 in words is "twenty-two billion, twelve million, two hundred two thousand, eleven".