120001201101 has 24 divisors (see below), whose sum is σ = 180013410720. Its totient is φ = 76974026976.

The previous prime is 120001201063. The next prime is 120001201109. The reversal of 120001201101 is 101102100021.

It is a happy number.

It is not a de Polignac number, because 120001201101 - 2¹⁴ = 120001184717 is a prime.

It is a super-2 number, since 2×120001201101² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001201109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2288106 + ... + 2339963.

It is an arithmetic number, because the mean of its divisors is an integer number (7500558780).

Almost surely, 2^120001201101 is an apocalyptic number.

It is an amenable number.

120001201101 is a deficient number, since it is larger than the sum of its proper divisors (60012209619).

120001201101 is a wasteful number, since it uses less digits than its factorization.

120001201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628185 (or 4628182 counting only the distinct ones).

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

Adding to 120001201101 its reverse (101102100021), we get a palindrome (221103301122).

The spelling of 120001201101 in words is "one hundred twenty billion, one million, two hundred one thousand, one hundred one".