120101311021 has 8 divisors (see below), whose sum is σ = 122661947520. Its totient is φ = 117540895008.

The previous prime is 120101311007. The next prime is 120101311063. The reversal of 120101311021 is 120113101021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120101311021 - 2⁹ = 120101310509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101310992 and 120101311010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101311721) 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, 1520905 + ... + 1597921.

It is an arithmetic number, because the mean of its divisors is an integer number (15332743440).

Almost surely, 2^120101311021 is an apocalyptic number.

It is an amenable number.

120101311021 is a deficient number, since it is larger than the sum of its proper divisors (2560636499).

120101311021 is an equidigital number, since it uses as much as digits as its factorization.

120101311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110243.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 120101311021 its reverse (120113101021), we get a palindrome (240214412042).

The spelling of 120101311021 in words is "one hundred twenty billion, one hundred one million, three hundred eleven thousand, twenty-one".