120101102011111 has 16 divisors (see below), whose sum is σ = 130527273553600. Its totient is φ = 109844607161088.

The previous prime is 120101102011069. The next prime is 120101102011133. The reversal of 120101102011111 is 111110201101021.

It is a cyclic number.

It is not a de Polignac number, because 120101102011111 - 2¹⁹ = 120101101486823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101102011091 and 120101102011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101102011181) 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, 243873355 + ... + 244365331.

It is an arithmetic number, because the mean of its divisors is an integer number (8157954597100).

Almost surely, 2^{120101102011111} is an apocalyptic number.

120101102011111 is a deficient number, since it is larger than the sum of its proper divisors (10426171542489).

120101102011111 is a wasteful number, since it uses less digits than its factorization.

120101102011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664378.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 120101102011111 its reverse (111110201101021), we get a palindrome (231211303112132).

The spelling of 120101102011111 in words is "one hundred twenty trillion, one hundred one billion, one hundred two million, eleven thousand, one hundred eleven".