120021101112111 has 8 divisors (see below), whose sum is σ = 163047533586480. Its totient is φ = 78504368022912.

The previous prime is 120021101112091. The next prime is 120021101112113. The reversal of 120021101112111 is 111211101120021.

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

It is not a de Polignac number, because 120021101112111 - 2²⁹ = 120020564241199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021101112113) 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, 377424846106 + ... + 377424846423.

It is an arithmetic number, because the mean of its divisors is an integer number (20380941698310).

Almost surely, 2^{120021101112111} is an apocalyptic number.

120021101112111 is a deficient number, since it is larger than the sum of its proper divisors (43026432474369).

120021101112111 is an equidigital number, since it uses as much as digits as its factorization.

120021101112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754849692585.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 120021101112111 its reverse (111211101120021), we get a palindrome (231232202232132).

The spelling of 120021101112111 in words is "one hundred twenty trillion, twenty-one billion, one hundred one million, one hundred twelve thousand, one hundred eleven".