11222201121001 has 24 divisors (see below), whose sum is σ = 12172997027520. Its totient is φ = 10340937262656.

The previous prime is 11222201120993. The next prime is 11222201121023. The reversal of 11222201121001 is 10012110222211.

It is not a de Polignac number, because 11222201121001 - 2³ = 11222201120993 is a prime.

It is a super-2 number, since 2×11222201121001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222201121091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499441395 + ... + 499463863.

It is an arithmetic number, because the mean of its divisors is an integer number (507208209480).

Almost surely, 2^{11222201121001} is an apocalyptic number.

It is an amenable number.

11222201121001 is a deficient number, since it is larger than the sum of its proper divisors (950795906519).

11222201121001 is a wasteful number, since it uses less digits than its factorization.

11222201121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27505 (or 27492 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11222201121001 its reverse (10012110222211), we get a palindrome (21234311343212).

The spelling of 11222201121001 in words is "eleven trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-one thousand, one".