10120220001 has 8 divisors (see below), whose sum is σ = 14992918560. Its totient is φ = 6746813316.

The previous prime is 10120219999. The next prime is 10120220017. The reversal of 10120220001 is 10002202101.

10120220001 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 10120220001 - 2¹ = 10120219999 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 (10120220051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187411455 + ... + 187411508.

It is an arithmetic number, because the mean of its divisors is an integer number (1874114820).

Almost surely, 2^10120220001 is an apocalyptic number.

It is an amenable number.

10120220001 is a deficient number, since it is larger than the sum of its proper divisors (4872698559).

10120220001 is an equidigital number, since it uses as much as digits as its factorization.

10120220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374822972 (or 374822966 counting only the distinct ones).

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

Adding to 10120220001 its reverse (10002202101), we get a palindrome (20122422102).

The spelling of 10120220001 in words is "ten billion, one hundred twenty million, two hundred twenty thousand, one".