120101222001 has 16 divisors (see below), whose sum is σ = 164959851968. Its totient is φ = 77668113600.

The previous prime is 120101221991. The next prime is 120101222023. The reversal of 120101222001 is 100222101021.

It is not a de Polignac number, because 120101222001 - 2⁹ = 120101221489 is a prime.

It is a super-2 number, since 2×120101222001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120101222201) 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 15 ways as a sum of consecutive naturals, for example, 1597690 + ... + 1671171.

It is an arithmetic number, because the mean of its divisors is an integer number (10309990748).

Almost surely, 2^120101222001 is an apocalyptic number.

It is an amenable number.

120101222001 is a deficient number, since it is larger than the sum of its proper divisors (44858629967).

120101222001 is a wasteful number, since it uses less digits than its factorization.

120101222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269232.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120101222001 its reverse (100222101021), we get a palindrome (220323323022).

The spelling of 120101222001 in words is "one hundred twenty billion, one hundred one million, two hundred twenty-two thousand, one".