120222001001 has 4 divisors (see below), whose sum is σ = 120223173252. Its totient is φ = 120220828752.

The previous prime is 120222000991. The next prime is 120222001013. The reversal of 120222001001 is 100100222021.

It is a happy number.

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 5409455401 + 114812545600 = 73549^2 + 338840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120222001001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120222001901) 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 3 ways as a sum of consecutive naturals, for example, 415790 + ... + 642903.

It is an arithmetic number, because the mean of its divisors is an integer number (30055793313).

Almost surely, 2^120222001001 is an apocalyptic number.

It is an amenable number.

120222001001 is a deficient number, since it is larger than the sum of its proper divisors (1172251).

120222001001 is a wasteful number, since it uses less digits than its factorization.

120222001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172250.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120222001001 its reverse (100100222021), we get a palindrome (220322223022).

The spelling of 120222001001 in words is "one hundred twenty billion, two hundred twenty-two million, one thousand, one".