120667766021 has 8 divisors (see below), whose sum is σ = 136176789600. Its totient is φ = 105915280240.

The previous prime is 120667765997. The next prime is 120667766033.

120667766021 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 120667766021 - 2³⁰ = 119594024197 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 (120667766041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189134111 + ... + 189134748.

It is an arithmetic number, because the mean of its divisors is an integer number (17022098700).

Almost surely, 2^120667766021 is an apocalyptic number.

120667766021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120667766021 is a deficient number, since it is larger than the sum of its proper divisors (15509023579).

120667766021 is a wasteful number, since it uses less digits than its factorization.

120667766021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378268899.

The product of its (nonzero) digits is 254016, while the sum is 44.

It can be divided in two parts, 120667 and 766021, that added together give a palindrome (886688).

The spelling of 120667766021 in words is "one hundred twenty billion, six hundred sixty-seven million, seven hundred sixty-six thousand, twenty-one".