11220122121201 has 32 divisors (see below), whose sum is σ = 19264596019200. Its totient is φ = 6321195553680.

The previous prime is 11220122121181. The next prime is 11220122121209. The reversal of 11220122121201 is 10212122102211.

11220122121201 is a `hidden beast` number, since 1 + 1 + 220 + 1 + 221 + 21 + 201 = 666.

11220122121201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11220122121201 - 2⁶ = 11220122121137 is a prime.

It is a super-2 number, since 2×11220122121201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11220122121209) 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, 418055071 + ... + 418081908.

It is an arithmetic number, because the mean of its divisors is an integer number (602018625600).

Almost surely, 2^{11220122121201} is an apocalyptic number.

It is an amenable number.

11220122121201 is a deficient number, since it is larger than the sum of its proper divisors (8044473897999).

11220122121201 is an equidigital number, since it uses as much as digits as its factorization.

11220122121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836137066 (or 836137060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11220122121201 its reverse (10212122102211), we get a palindrome (21432244223412).

The spelling of 11220122121201 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred one".