120200201021 has 4 divisors (see below), whose sum is σ = 120205040352. Its totient is φ = 120195361692.

The previous prime is 120200200999. The next prime is 120200201027. The reversal of 120200201021 is 120102002021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120200201021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120200200993 and 120200201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200201027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382215 + ... + 2432148.

It is an arithmetic number, because the mean of its divisors is an integer number (30051260088).

Almost surely, 2^120200201021 is an apocalyptic number.

It is an amenable number.

120200201021 is a deficient number, since it is larger than the sum of its proper divisors (4839331).

120200201021 is an equidigital number, since it uses as much as digits as its factorization.

120200201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839330.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120200201021 its reverse (120102002021), we get a palindrome (240302203042).

The spelling of 120200201021 in words is "one hundred twenty billion, two hundred million, two hundred one thousand, twenty-one".