11221010121201 has 16 divisors (see below), whose sum is σ = 15185261805888. Its totient is φ = 7368724915200.

The previous prime is 11221010121193. The next prime is 11221010121253. The reversal of 11221010121201 is 10212101012211.

It is a happy number.

It is not a de Polignac number, because 11221010121201 - 2³ = 11221010121193 is a prime.

It is a super-2 number, since 2×11221010121201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221010121271) 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, 3938181 + ... + 6160461.

It is an arithmetic number, because the mean of its divisors is an integer number (949078862868).

Almost surely, 2^{11221010121201} is an apocalyptic number.

It is an amenable number.

11221010121201 is a deficient number, since it is larger than the sum of its proper divisors (3964251684687).

11221010121201 is a wasteful number, since it uses less digits than its factorization.

11221010121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247472.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11221010121201 its reverse (10212101012211), we get a palindrome (21433111133412).

The spelling of 11221010121201 in words is "eleven trillion, two hundred twenty-one billion, ten million, one hundred twenty-one thousand, two hundred one".