10120120111 has 16 divisors (see below), whose sum is σ = 11118587040. Its totient is φ = 9168445440.

The previous prime is 10120120103. The next prime is 10120120121. The reversal of 10120120111 is 11102102101.

10120120111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10120120111 - 2³ = 10120120103 is a prime.

It is a super-2 number, since 2×10120120111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132175 + ... + 194191.

It is an arithmetic number, because the mean of its divisors is an integer number (694911690).

Almost surely, 2^10120120111 is an apocalyptic number.

10120120111 is a deficient number, since it is larger than the sum of its proper divisors (998466929).

10120120111 is a wasteful number, since it uses less digits than its factorization.

10120120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62394.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10120120111 its reverse (11102102101), we get a palindrome (21222222212).

The spelling of 10120120111 in words is "ten billion, one hundred twenty million, one hundred twenty thousand, one hundred eleven".