22021031011 has 8 divisors (see below), whose sum is σ = 25180104960. Its totient is φ = 18865260168.

The previous prime is 22021030991. The next prime is 22021031017. The reversal of 22021031011 is 11013012022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021031011 - 2⁵ = 22021030979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021030982 and 22021031000.

It is not an unprimeable number, because it can be changed into a prime (22021031017) 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 7 ways as a sum of consecutive naturals, for example, 811471 + ... + 838168.

It is an arithmetic number, because the mean of its divisors is an integer number (3147513120).

Almost surely, 2^22021031011 is an apocalyptic number.

22021031011 is a deficient number, since it is larger than the sum of its proper divisors (3159073949).

22021031011 is a wasteful number, since it uses less digits than its factorization.

22021031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651553.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22021031011 its reverse (11013012022), we get a palindrome (33034043033).

The spelling of 22021031011 in words is "twenty-two billion, twenty-one million, thirty-one thousand, eleven".