120121011201 has 16 divisors (see below), whose sum is σ = 164079917568. Its totient is φ = 78121680000.

The previous prime is 120121011181. The next prime is 120121011221. The reversal of 120121011201 is 102110121021.

It is an interprime number because it is at equal distance from previous prime (120121011181) and next prime (120121011221).

It is not a de Polignac number, because 120121011201 - 2¹⁴ = 120120994817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2166576 + ... + 2221326.

It is an arithmetic number, because the mean of its divisors is an integer number (10254994848).

Almost surely, 2^120121011201 is an apocalyptic number.

It is an amenable number.

120121011201 is a deficient number, since it is larger than the sum of its proper divisors (43958906367).

120121011201 is a wasteful number, since it uses less digits than its factorization.

120121011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72632.

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

Adding to 120121011201 its reverse (102110121021), we get a palindrome (222231132222).

The spelling of 120121011201 in words is "one hundred twenty billion, one hundred twenty-one million, eleven thousand, two hundred one".