120022001001 has 48 divisors (see below), whose sum is σ = 200466489600. Its totient is φ = 67776597504.

The previous prime is 120022000991. The next prime is 120022001051. The reversal of 120022001001 is 100100220021.

It is not a de Polignac number, because 120022001001 - 2⁶ = 120022000937 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 (120022001051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12874620 + ... + 12883938.

It is an arithmetic number, because the mean of its divisors is an integer number (4176385200).

Almost surely, 2^120022001001 is an apocalyptic number.

It is an amenable number.

120022001001 is a deficient number, since it is larger than the sum of its proper divisors (80444488599).

120022001001 is a wasteful number, since it uses less digits than its factorization.

120022001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718 (or 11715 counting only the distinct ones).

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

Adding to 120022001001 its reverse (100100220021), we get a palindrome (220122221022).

The spelling of 120022001001 in words is "one hundred twenty billion, twenty-two million, one thousand, one".