22011211001 has 16 divisors (see below), whose sum is σ = 23765145600. Its totient is φ = 20266044480.

The previous prime is 22011210983. The next prime is 22011211009. The reversal of 22011211001 is 10011211022.

It is a cyclic number.

It is not a de Polignac number, because 22011211001 - 2¹⁴ = 22011194617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011211009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14209175 + ... + 14210723.

It is an arithmetic number, because the mean of its divisors is an integer number (1485321600).

Almost surely, 2^22011211001 is an apocalyptic number.

It is an amenable number.

22011211001 is a deficient number, since it is larger than the sum of its proper divisors (1753934599).

22011211001 is a wasteful number, since it uses less digits than its factorization.

22011211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22011211001 its reverse (10011211022), we get a palindrome (32022422023).

The spelling of 22011211001 in words is "twenty-two billion, eleven million, two hundred eleven thousand, one".