120100000022001 has 16 divisors (see below), whose sum is σ = 177927654558400. Its totient is φ = 80065888811424.

The previous prime is 120100000021951. The next prime is 120100000022021. The reversal of 120100000022001 is 100220000001021.

It is not a de Polignac number, because 120100000022001 - 2²⁹ = 120099463151089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120100000022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18770131 + ... + 24341688.

It is an arithmetic number, because the mean of its divisors is an integer number (11120478409900).

Almost surely, 2^{120100000022001} is an apocalyptic number.

It is an amenable number.

120100000022001 is a deficient number, since it is larger than the sum of its proper divisors (57827654536399).

120100000022001 is a wasteful number, since it uses less digits than its factorization.

120100000022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43215005 (or 43214999 counting only the distinct ones).

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

Adding to 120100000022001 its reverse (100220000001021), we get a palindrome (220320000023022).

The spelling of 120100000022001 in words is "one hundred twenty trillion, one hundred billion, twenty-two thousand, one".