120002102001 has 12 divisors (see below), whose sum is σ = 173625753600. Its totient is φ = 79867839480.

The previous prime is 120002101981. The next prime is 120002102029. The reversal of 120002102001 is 100201200021.

It is not a de Polignac number, because 120002102001 - 2¹⁸ = 120001839857 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 (120002102201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11124465 + ... + 11135246.

It is an arithmetic number, because the mean of its divisors is an integer number (14468812800).

Almost surely, 2^120002102001 is an apocalyptic number.

It is an amenable number.

120002102001 is a deficient number, since it is larger than the sum of its proper divisors (53623651599).

120002102001 is a wasteful number, since it uses less digits than its factorization.

120002102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22260316 (or 22260313 counting only the distinct ones).

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

Adding to 120002102001 its reverse (100201200021), we get a palindrome (220203302022).

The spelling of 120002102001 in words is "one hundred twenty billion, two million, one hundred two thousand, one".