120020210001 has 16 divisors (see below), whose sum is σ = 188266996800. Its totient is φ = 75306798144.

The previous prime is 120020209963. The next prime is 120020210017. The reversal of 120020210001 is 100012020021.

It is not a de Polignac number, because 120020210001 - 2¹⁹ = 120019685713 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 (120020210201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130740511 + ... + 130741428.

It is an arithmetic number, because the mean of its divisors is an integer number (11766687300).

Almost surely, 2^120020210001 is an apocalyptic number.

It is an amenable number.

120020210001 is a deficient number, since it is larger than the sum of its proper divisors (68246786799).

120020210001 is a wasteful number, since it uses less digits than its factorization.

120020210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261481965 (or 261481959 counting only the distinct ones).

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

Adding to 120020210001 its reverse (100012020021), we get a palindrome (220032230022).

The spelling of 120020210001 in words is "one hundred twenty billion, twenty million, two hundred ten thousand, one".