120000021101021 has 8 divisors (see below), whose sum is σ = 120314349195264. Its totient is φ = 119685698278960.

The previous prime is 120000021100889. The next prime is 120000021101071. The reversal of 120000021101021 is 120101120000021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120000021101021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120000021100993 and 120000021101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000021101071) 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, 46535660 + ... + 49046586.

It is an arithmetic number, because the mean of its divisors is an integer number (15039293649408).

Almost surely, 2^{120000021101021} is an apocalyptic number.

It is an amenable number.

120000021101021 is a deficient number, since it is larger than the sum of its proper divisors (314328094243).

120000021101021 is a wasteful number, since it uses less digits than its factorization.

120000021101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636091.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120000021101021 its reverse (120101120000021), we get a palindrome (240101141101042).

The spelling of 120000021101021 in words is "one hundred twenty trillion, twenty-one million, one hundred one thousand, twenty-one".