10202110111111 has 8 divisors (see below), whose sum is σ = 11053448985744. Its totient is φ = 9378683986560.

The previous prime is 10202110111091. The next prime is 10202110111147. The reversal of 10202110111111 is 11111101120201.

10202110111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10202110111111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202110111091 and 10202110111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202110111181) 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, 6978186760 + ... + 6978188221.

It is an arithmetic number, because the mean of its divisors is an integer number (1381681123218).

Almost surely, 2^{10202110111111} is an apocalyptic number.

10202110111111 is a deficient number, since it is larger than the sum of its proper divisors (851338874633).

10202110111111 is a wasteful number, since it uses less digits than its factorization.

10202110111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13956375041.

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

Adding to 10202110111111 its reverse (11111101120201), we get a palindrome (21313211231312).

The spelling of 10202110111111 in words is "ten trillion, two hundred two billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".