120101222111 has 24 divisors (see below), whose sum is σ = 134393258736. Its totient is φ = 107211686400.

The previous prime is 120101222027. The next prime is 120101222159. The reversal of 120101222111 is 111222101021.

It is not a de Polignac number, because 120101222111 - 2¹⁴ = 120101205727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101222161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652151 + ... + 815783.

It is an arithmetic number, because the mean of its divisors is an integer number (5599719114).

Almost surely, 2^120101222111 is an apocalyptic number.

120101222111 is a deficient number, since it is larger than the sum of its proper divisors (14292036625).

120101222111 is a wasteful number, since it uses less digits than its factorization.

120101222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163803 (or 163790 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120101222111 its reverse (111222101021), we get a palindrome (231323323132).

The spelling of 120101222111 in words is "one hundred twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred eleven".