120100011201 has 32 divisors (see below), whose sum is σ = 178322277120. Its totient is φ = 79888540032.

The previous prime is 120100011169. The next prime is 120100011217. The reversal of 120100011201 is 102110001021.

It is a happy number.

It is not a de Polignac number, because 120100011201 - 2⁵ = 120100011169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120100011601) 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, 33239271 + ... + 33242883.

It is an arithmetic number, because the mean of its divisors is an integer number (5572571160).

Almost surely, 2^120100011201 is an apocalyptic number.

It is an amenable number.

120100011201 is a deficient number, since it is larger than the sum of its proper divisors (58222265919).

120100011201 is a wasteful number, since it uses less digits than its factorization.

120100011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120100011201 its reverse (102110001021), we get a palindrome (222210012222).

It can be divided in two parts, 1201000 and 11201, that added together give a square (1212201 = 1101²).

The spelling of 120100011201 in words is "one hundred twenty billion, one hundred million, eleven thousand, two hundred one".