120021113312201 has 16 divisors (see below), whose sum is σ = 127385354548368. Its totient is φ = 112690943232000.

The previous prime is 120021113312173. The next prime is 120021113312267. The reversal of 120021113312201 is 102213311120021.

It can be written as a sum of positive squares in 8 ways, for example, as 76041469470976 + 43979643841225 = 8720176^2 + 6631715^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021113312201 - 2¹⁸ = 120021113050057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120021113312101) 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, 9750011 + ... + 18305871.

It is an arithmetic number, because the mean of its divisors is an integer number (7961584659273).

Almost surely, 2^{120021113312201} is an apocalyptic number.

It is an amenable number.

120021113312201 is a deficient number, since it is larger than the sum of its proper divisors (7364241236167).

120021113312201 is a wasteful number, since it uses less digits than its factorization.

120021113312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8557852.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 120021113312201 its reverse (102213311120021), we get a palindrome (222234424432222).

The spelling of 120021113312201 in words is "one hundred twenty trillion, twenty-one billion, one hundred thirteen million, three hundred twelve thousand, two hundred one".