2220120112001 has 16 divisors (see below), whose sum is σ = 2486483448768. Its totient is φ = 1965093873600.

The previous prime is 2220120111991. The next prime is 2220120112003. The reversal of 2220120112001 is 1002110210222.

It is a de Polignac number, because none of the positive numbers 2^k-2220120112001 is a prime.

It is a super-2 number, since 2×2220120112001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220120112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14458346 + ... + 14611091.

It is an arithmetic number, because the mean of its divisors is an integer number (155405215548).

Almost surely, 2^{2220120112001} is an apocalyptic number.

It is an amenable number.

2220120112001 is a deficient number, since it is larger than the sum of its proper divisors (266363336767).

2220120112001 is a wasteful number, since it uses less digits than its factorization.

2220120112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29069632.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2220120112001 its reverse (1002110210222), we get a palindrome (3222230322223).

The spelling of 2220120112001 in words is "two trillion, two hundred twenty billion, one hundred twenty million, one hundred twelve thousand, one".