120201001101 has 96 divisors (see below), whose sum is σ = 188589772800. Its totient is φ = 73540172160.

The previous prime is 120201001097. The next prime is 120201001111. The reversal of 120201001101 is 101100102021.

It is a happy number.

It is not a de Polignac number, because 120201001101 - 2² = 120201001097 is a prime.

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 (120201001111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 457037896 + ... + 457038158.

It is an arithmetic number, because the mean of its divisors is an integer number (1964476800).

Almost surely, 2^120201001101 is an apocalyptic number.

It is an amenable number.

120201001101 is a deficient number, since it is larger than the sum of its proper divisors (68388771699).

120201001101 is a wasteful number, since it uses less digits than its factorization.

120201001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 788 counting only the distinct ones).

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

Adding to 120201001101 its reverse (101100102021), we get a palindrome (221301103122).

The spelling of 120201001101 in words is "one hundred twenty billion, two hundred one million, one thousand, one hundred one".