120102001101 has 8 divisors (see below), whose sum is σ = 177928890560. Its totient is φ = 80068000716.

The previous prime is 120102001057. The next prime is 120102001121. The reversal of 120102001101 is 101100201021.

It is a happy number.

It is not a de Polignac number, because 120102001101 - 2⁷ = 120102000973 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102001121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224111105 + ... + 2224111158.

It is an arithmetic number, because the mean of its divisors is an integer number (22241111320).

Almost surely, 2^120102001101 is an apocalyptic number.

It is an amenable number.

120102001101 is a deficient number, since it is larger than the sum of its proper divisors (57826889459).

120102001101 is an equidigital number, since it uses as much as digits as its factorization.

120102001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448222272 (or 4448222266 counting only the distinct ones).

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

Adding to 120102001101 its reverse (101100201021), we get a palindrome (221202202122).

The spelling of 120102001101 in words is "one hundred twenty billion, one hundred two million, one thousand, one hundred one".