220001120000001 has 12 divisors (see below), whose sum is σ = 318411163744128. Its totient is φ = 146375828015544.

The previous prime is 220001119999951. The next prime is 220001120000003. The reversal of 220001120000001 is 100000021100022.

It is not a de Polignac number, because 220001120000001 - 2³¹ = 219998972516353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (220001120000003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24298771705 + ... + 24298780758.

It is an arithmetic number, because the mean of its divisors is an integer number (26534263645344).

Almost surely, 2^{220001120000001} is an apocalyptic number.

It is an amenable number.

220001120000001 is a deficient number, since it is larger than the sum of its proper divisors (98410043744127).

220001120000001 is a wasteful number, since it uses less digits than its factorization.

220001120000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48597552972 (or 48597552969 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220001120000001 its reverse (100000021100022), we get a palindrome (320001141100023).

The spelling of 220001120000001 in words is "two hundred twenty trillion, one billion, one hundred twenty million, one", and thus it is an aban number.