120021011103 has 8 divisors (see below), whose sum is σ = 182889159808. Its totient is φ = 68583434904.

The previous prime is 120021011093. The next prime is 120021011119. The reversal of 120021011103 is 301110120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120021011103 - 2¹³ = 120021002911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021011183) 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, 2857643101 + ... + 2857643142.

It is an arithmetic number, because the mean of its divisors is an integer number (22861144976).

Almost surely, 2^120021011103 is an apocalyptic number.

120021011103 is a deficient number, since it is larger than the sum of its proper divisors (62868148705).

120021011103 is an equidigital number, since it uses as much as digits as its factorization.

120021011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715286253.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 120021011103 its reverse (301110120021), we get a palindrome (421131131124).

The spelling of 120021011103 in words is "one hundred twenty billion, twenty-one million, eleven thousand, one hundred three".