120000102020001 has 16 divisors (see below), whose sum is σ = 203174775907200. Its totient is φ = 68571486868464.

The previous prime is 120000102019999. The next prime is 120000102020003. The reversal of 120000102020001 is 100020201000021.

It is an interprime number because it is at equal distance from previous prime (120000102019999) and next prime (120000102020003).

It is not a de Polignac number, because 120000102020001 - 2¹ = 120000102019999 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 (120000102020003) 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, 317460587166 + ... + 317460587543.

It is an arithmetic number, because the mean of its divisors is an integer number (12698423494200).

Almost surely, 2^{120000102020001} is an apocalyptic number.

It is an amenable number.

120000102020001 is a deficient number, since it is larger than the sum of its proper divisors (83174673887199).

120000102020001 is an equidigital number, since it uses as much as digits as its factorization.

120000102020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634921174725 (or 634921174719 counting only the distinct ones).

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

Adding to 120000102020001 its reverse (100020201000021), we get a palindrome (220020303020022).

The spelling of 120000102020001 in words is "one hundred twenty trillion, one hundred two million, twenty thousand, one".