120101000111111 has 4 divisors (see below), whose sum is σ = 120232834360224. Its totient is φ = 119969165862000.

The previous prime is 120101000111087. The next prime is 120101000111219. The reversal of 120101000111111 is 111111000101021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120101000111111 - 2¹⁴ = 120101000094727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101000111092 and 120101000111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101005111111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65917123190 + ... + 65917125011.

It is an arithmetic number, because the mean of its divisors is an integer number (30058208590056).

Almost surely, 2^{120101000111111} is an apocalyptic number.

120101000111111 is a deficient number, since it is larger than the sum of its proper divisors (131834249113).

120101000111111 is an equidigital number, since it uses as much as digits as its factorization.

120101000111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131834249112.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 120101000111111 its reverse (111111000101021), we get a palindrome (231212000212132).

The spelling of 120101000111111 in words is "one hundred twenty trillion, one hundred one billion, one hundred eleven thousand, one hundred eleven".