120220001000001 has 24 divisors (see below), whose sum is σ = 198465128222400. Its totient is φ = 68694819395616.

The previous prime is 120220000999933. The next prime is 120220001000009. The reversal of 120220001000001 is 100000100022021.

It is not a de Polignac number, because 120220001000001 - 2²³ = 120219992611393 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 (120220001000009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30400351 + ... + 34126548.

It is an arithmetic number, because the mean of its divisors is an integer number (8269380342600).

Almost surely, 2^{120220001000001} is an apocalyptic number.

It is an amenable number.

120220001000001 is a deficient number, since it is larger than the sum of its proper divisors (78245127222399).

120220001000001 is a wasteful number, since it uses less digits than its factorization.

120220001000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64556485 (or 64556482 counting only the distinct ones).

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

Adding to 120220001000001 its reverse (100000100022021), we get a palindrome (220220101022022).

The spelling of 120220001000001 in words is "one hundred twenty trillion, two hundred twenty billion, one million, one", and thus it is an aban number.