120011120121021 has 8 divisors (see below), whose sum is σ = 160041961806144. Its totient is φ = 79993845924960.

The previous prime is 120011120121017. The next prime is 120011120121041. The reversal of 120011120121021 is 120121021110021.

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 120011120121021 - 2² = 120011120121017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011120121041) 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, 3391851625 + ... + 3391887006.

It is an arithmetic number, because the mean of its divisors is an integer number (20005245225768).

Almost surely, 2^{120011120121021} is an apocalyptic number.

It is an amenable number.

120011120121021 is a deficient number, since it is larger than the sum of its proper divisors (40030841685123).

120011120121021 is an equidigital number, since it uses as much as digits as its factorization.

120011120121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6783744531.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120011120121021 its reverse (120121021110021), we get a palindrome (240132141231042).

The spelling of 120011120121021 in words is "one hundred twenty trillion, eleven billion, one hundred twenty million, one hundred twenty-one thousand, twenty-one".