120201002021 has 8 divisors (see below), whose sum is σ = 122410759200. Its totient is φ = 117996993360.

The previous prime is 120201002017. The next prime is 120201002023. The reversal of 120201002021 is 120200102021.

It is a happy number.

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

It is not a de Polignac number, because 120201002021 - 2² = 120201002017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120201001993 and 120201002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201002023) 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, 1394915 + ... + 1478576.

It is an arithmetic number, because the mean of its divisors is an integer number (15301344900).

Almost surely, 2^120201002021 is an apocalyptic number.

It is an amenable number.

120201002021 is a deficient number, since it is larger than the sum of its proper divisors (2209757179).

120201002021 is an equidigital number, since it uses as much as digits as its factorization.

120201002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874259.

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

Adding to 120201002021 its reverse (120200102021), we get a palindrome (240401104042).

The spelling of 120201002021 in words is "one hundred twenty billion, two hundred one million, two thousand, twenty-one".