220120220112001 has 32 divisors (see below), whose sum is σ = 244924848230400. Its totient is φ = 196135378318080.

The previous prime is 220120220111983. The next prime is 220120220112029. The reversal of 220120220112001 is 100211022021022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220120220112001 - 2⁷ = 220120220111873 is a prime.

It is a super-2 number, since 2×220120220112001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220120220112701) 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, 348301785 + ... + 348933193.

It is an arithmetic number, because the mean of its divisors is an integer number (7653901507200).

Almost surely, 2^{220120220112001} is an apocalyptic number.

It is an amenable number.

220120220112001 is a deficient number, since it is larger than the sum of its proper divisors (24804628118399).

220120220112001 is a wasteful number, since it uses less digits than its factorization.

220120220112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633069.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220120220112001 its reverse (100211022021022), we get a palindrome (320331242133023).

The spelling of 220120220112001 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred twenty million, one hundred twelve thousand, one".