120100201101 has 6 divisors (see below), whose sum is σ = 173478068270. Its totient is φ = 80066800728.

The previous prime is 120100201099. The next prime is 120100201253. The reversal of 120100201101 is 101102001021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 93558903876 + 26541297225 = 305874^2 + 162915^2 .

It is not a de Polignac number, because 120100201101 - 2¹ = 120100201099 is a prime.

It is a super-2 number, since 2×120100201101² (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), and also a Moran number because the ratio is a prime number: 13344466789 = 120100201101 / (1 + 2 + 0 + 1 + 0 + 0 + 2 + 0 + 1 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100201601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6672233386 + ... + 6672233403.

Almost surely, 2^120100201101 is an apocalyptic number.

It is an amenable number.

120100201101 is a deficient number, since it is larger than the sum of its proper divisors (53377867169).

120100201101 is a wasteful number, since it uses less digits than its factorization.

120100201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344466795 (or 13344466792 counting only the distinct ones).

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

Adding to 120100201101 its reverse (101102001021), we get a palindrome (221202202122).

It can be divided in two parts, 120100 and 201101, that added together give a triangular number (321201 = T₈₀₁).

The spelling of 120100201101 in words is "one hundred twenty billion, one hundred million, two hundred one thousand, one hundred one".