120200021220101 has 8 divisors (see below), whose sum is σ = 121498795684344. Its totient is φ = 118903377643200.

The previous prime is 120200021220077. The next prime is 120200021220121. The reversal of 120200021220101 is 101022120002021.

It can be written as a sum of positive squares in 4 ways, for example, as 8659512717025 + 111540508503076 = 2942705^2 + 10561274^2 .

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 120200021220101 - 2²² = 120200017025797 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 (120200021220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532608410 + ... + 532834043.

It is an arithmetic number, because the mean of its divisors is an integer number (15187349460543).

Almost surely, 2^{120200021220101} is an apocalyptic number.

It is an amenable number.

120200021220101 is a deficient number, since it is larger than the sum of its proper divisors (1298774464243).

120200021220101 is a wasteful number, since it uses less digits than its factorization.

120200021220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065443671.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120200021220101 its reverse (101022120002021), we get a palindrome (221222141222122).

The spelling of 120200021220101 in words is "one hundred twenty trillion, two hundred billion, twenty-one million, two hundred twenty thousand, one hundred one".