22011211201 has 32 divisors (see below), whose sum is σ = 26136354816. Its totient is φ = 18139680000.

The previous prime is 22011211199. The next prime is 22011211231. The reversal of 22011211201 is 10211211022.

It is a cyclic number.

It is not a de Polignac number, because 22011211201 - 2¹ = 22011211199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011211231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38548246 + ... + 38548816.

It is an arithmetic number, because the mean of its divisors is an integer number (816761088).

Almost surely, 2^22011211201 is an apocalyptic number.

It is an amenable number.

22011211201 is a deficient number, since it is larger than the sum of its proper divisors (4125143615).

22011211201 is a wasteful number, since it uses less digits than its factorization.

22011211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453.

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

Adding to 22011211201 its reverse (10211211022), we get a palindrome (32222422223).

The spelling of 22011211201 in words is "twenty-two billion, eleven million, two hundred eleven thousand, two hundred one".