120020210101111 has 16 divisors (see below), whose sum is σ = 126580792504320. Its totient is φ = 113629756868640.

The previous prime is 120020210101097. The next prime is 120020210101117. The reversal of 120020210101111 is 111101012020021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120020210101111 - 2⁹ = 120020210100599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020210101091 and 120020210101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020210101117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13759681 + ... + 20721226.

It is an arithmetic number, because the mean of its divisors is an integer number (7911299531520).

Almost surely, 2^{120020210101111} is an apocalyptic number.

120020210101111 is a deficient number, since it is larger than the sum of its proper divisors (6560582403209).

120020210101111 is a wasteful number, since it uses less digits than its factorization.

120020210101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34483374.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120020210101111 its reverse (111101012020021), we get a palindrome (231121222121132).

The spelling of 120020210101111 in words is "one hundred twenty trillion, twenty billion, two hundred ten million, one hundred one thousand, one hundred eleven".