120122020021 has 8 divisors (see below), whose sum is σ = 121709865600. Its totient is φ = 118535857440.

The previous prime is 120122019947. The next prime is 120122020037. The reversal of 120122020021 is 120020221021.

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 120122020021 - 2¹¹ = 120122017973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122019983 and 120122020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122020061) 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, 276736 + ... + 562873.

It is an arithmetic number, because the mean of its divisors is an integer number (15213733200).

Almost surely, 2^120122020021 is an apocalyptic number.

It is an amenable number.

120122020021 is a deficient number, since it is larger than the sum of its proper divisors (1587845579).

120122020021 is an equidigital number, since it uses as much as digits as its factorization.

120122020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841499.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120122020021 its reverse (120020221021), we get a palindrome (240142241042).

The spelling of 120122020021 in words is "one hundred twenty billion, one hundred twenty-two million, twenty thousand, twenty-one".