120211002001001 has 4 divisors (see below), whose sum is σ = 123142977659604. Its totient is φ = 117279026342400.

The previous prime is 120211002000989. The next prime is 120211002001049. The reversal of 120211002001001 is 100100200112021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37389262584976 + 82821739416025 = 6114676^2 + 9100645^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211002001001 - 2³⁸ = 119936124094057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120211002001081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465987829240 + ... + 1465987829321.

It is an arithmetic number, because the mean of its divisors is an integer number (30785744414901).

Almost surely, 2^{120211002001001} is an apocalyptic number.

It is an amenable number.

120211002001001 is a deficient number, since it is larger than the sum of its proper divisors (2931975658603).

120211002001001 is an equidigital number, since it uses as much as digits as its factorization.

120211002001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931975658602.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120211002001001 its reverse (100100200112021), we get a palindrome (220311202113022).

The spelling of 120211002001001 in words is "one hundred twenty trillion, two hundred eleven billion, two million, one thousand, one".