120201121001 has 32 divisors (see below), whose sum is σ = 133164810240. Its totient is φ = 107797967424.

The previous prime is 120201120997. The next prime is 120201121013. The reversal of 120201121001 is 100121102021.

It is a cyclic number.

It is not a de Polignac number, because 120201121001 - 2² = 120201120997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201121021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132525590 + ... + 132526496.

It is an arithmetic number, because the mean of its divisors is an integer number (4161400320).

Almost surely, 2^120201121001 is an apocalyptic number.

It is an amenable number.

120201121001 is a deficient number, since it is larger than the sum of its proper divisors (12963689239).

120201121001 is a wasteful number, since it uses less digits than its factorization.

120201121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120201121001 its reverse (100121102021), we get a palindrome (220322223022).

The spelling of 120201121001 in words is "one hundred twenty billion, two hundred one million, one hundred twenty-one thousand, one".