10021112101111 has 8 divisors (see below), whose sum is σ = 10355137989248. Its totient is φ = 9697850391600.

The previous prime is 10021112101069. The next prime is 10021112101181. The reversal of 10021112101111 is 11110121112001.

It is not a de Polignac number, because 10021112101111 - 2⁴³ = 1225019078903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021112101091 and 10021112101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021112101181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168160470 + ... + 168220051.

It is an arithmetic number, because the mean of its divisors is an integer number (1294392248656).

Almost surely, 2^{10021112101111} is an apocalyptic number.

10021112101111 is a deficient number, since it is larger than the sum of its proper divisors (334025888137).

10021112101111 is an frugal number, since it uses more digits than its factorization.

10021112101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336380614 (or 336380552 counting only the distinct ones).

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

Adding to 10021112101111 its reverse (11110121112001), we get a palindrome (21131233213112).

The spelling of 10021112101111 in words is "ten trillion, twenty-one billion, one hundred twelve million, one hundred one thousand, one hundred eleven".