120112121001 has 16 divisors (see below), whose sum is σ = 168615095040. Its totient is φ = 75843781200.

The previous prime is 120112120987. The next prime is 120112121023. The reversal of 120112121001 is 100121211021.

It is not a de Polignac number, because 120112121001 - 2⁶ = 120112120937 is a prime.

It is a super-2 number, since 2×120112121001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120112121501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37726 + ... + 491576.

It is an arithmetic number, because the mean of its divisors is an integer number (10538443440).

Almost surely, 2^120112121001 is an apocalyptic number.

It is an amenable number.

120112121001 is a deficient number, since it is larger than the sum of its proper divisors (48502974039).

120112121001 is a wasteful number, since it uses less digits than its factorization.

120112121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458516.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120112121001 its reverse (100121211021), we get a palindrome (220233332022).

The spelling of 120112121001 in words is "one hundred twenty billion, one hundred twelve million, one hundred twenty-one thousand, one".