22001201122011 has 16 divisors (see below), whose sum is σ = 29752558824960. Its totient is φ = 14458717304640.

The previous prime is 22001201122009. The next prime is 22001201122063. The reversal of 22001201122011 is 11022110210022.

It is not a de Polignac number, because 22001201122011 - 2¹ = 22001201122009 is a prime.

It is a super-2 number, since 2×22001201122011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22001201122001) 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, 6309970 + ... + 9155223.

It is an arithmetic number, because the mean of its divisors is an integer number (1859534926560).

Almost surely, 2^{22001201122011} is an apocalyptic number.

22001201122011 is a deficient number, since it is larger than the sum of its proper divisors (7751357702949).

22001201122011 is a wasteful number, since it uses less digits than its factorization.

22001201122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471946.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22001201122011 its reverse (11022110210022), we get a palindrome (33023311332033).

The spelling of 22001201122011 in words is "twenty-two trillion, one billion, two hundred one million, one hundred twenty-two thousand, eleven".