120211102111 has 12 divisors (see below), whose sum is σ = 125794869480. Its totient is φ = 114865622960.

The previous prime is 120211102091. The next prime is 120211102133. The reversal of 120211102111 is 111201112021.

It is a happy number.

It is not a de Polignac number, because 120211102111 - 2⁹ = 120211101599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120211102091 and 120211102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211102181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396645 + ... + 630673.

It is an arithmetic number, because the mean of its divisors is an integer number (10482905790).

Almost surely, 2^120211102111 is an apocalyptic number.

120211102111 is a deficient number, since it is larger than the sum of its proper divisors (5583767369).

120211102111 is an equidigital number, since it uses as much as digits as its factorization.

120211102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235046 (or 235023 counting only the distinct ones).

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

Adding to 120211102111 its reverse (111201112021), we get a palindrome (231412214132).

The spelling of 120211102111 in words is "one hundred twenty billion, two hundred eleven million, one hundred two thousand, one hundred eleven".