120100110102001 has 4 divisors (see below), whose sum is σ = 120255478938612. Its totient is φ = 119944741265392.

The previous prime is 120100110101947. The next prime is 120100110102053. The reversal of 120100110102001 is 100201011001021.

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 66029015678976 + 54071094423025 = 8125824^2 + 7353305^2 .

It is a cyclic number.

It is not a de Polignac number, because 120100110102001 - 2¹¹ = 120100110099953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120100110100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77684417146 + ... + 77684418691.

It is an arithmetic number, because the mean of its divisors is an integer number (30063869734653).

Almost surely, 2^{120100110102001} is an apocalyptic number.

It is an amenable number.

120100110102001 is a deficient number, since it is larger than the sum of its proper divisors (155368836611).

120100110102001 is an equidigital number, since it uses as much as digits as its factorization.

120100110102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155368836610.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120100110102001 its reverse (100201011001021), we get a palindrome (220301121103022).

The spelling of 120100110102001 in words is "one hundred twenty trillion, one hundred billion, one hundred ten million, one hundred two thousand, one".