22001332011 has 16 divisors (see below), whose sum is σ = 29604466560. Its totient is φ = 14533421760.

The previous prime is 22001332007. The next prime is 22001332033. The reversal of 22001332011 is 11023310022.

It is not a de Polignac number, because 22001332011 - 2² = 22001332007 is a prime.

It is a super-2 number, since 2×22001332011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22001334011) 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, 93895 + ... + 229823.

It is an arithmetic number, because the mean of its divisors is an integer number (1850279160).

Almost surely, 2^22001332011 is an apocalyptic number.

22001332011 is a deficient number, since it is larger than the sum of its proper divisors (7603134549).

22001332011 is a wasteful number, since it uses less digits than its factorization.

22001332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136426.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22001332011 its reverse (11023310022), we get a palindrome (33024642033).

The spelling of 22001332011 in words is "twenty-two billion, one million, three hundred thirty-two thousand, eleven".