1000120220101 has 8 divisors (see below), whose sum is σ = 1018386897920. Its totient is φ = 982015913088.

The previous prime is 1000120220081. The next prime is 1000120220161. The reversal of 1000120220101 is 1010220210001.

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 1000120220101 - 2⁹ = 1000120219589 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 (1000120220161) 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, 40580271 + ... + 40604908.

It is an arithmetic number, because the mean of its divisors is an integer number (127298362240).

Almost surely, 2^{1000120220101} is an apocalyptic number.

It is an amenable number.

1000120220101 is a deficient number, since it is larger than the sum of its proper divisors (18266677819).

1000120220101 is an equidigital number, since it uses as much as digits as its factorization.

1000120220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81185403.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000120220101 its reverse (1010220210001), we get a palindrome (2010340430102).

It can be divided in two parts, 1000120 and 220101, that added together give a palindrome (1220221).

The spelling of 1000120220101 in words is "one trillion, one hundred twenty million, two hundred twenty thousand, one hundred one".