11102020111 has 48 divisors (see below), whose sum is σ = 14520280320. Its totient is φ = 8403816960.

The previous prime is 11102020067. The next prime is 11102020129.

11102020111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11102020111 - 2²¹ = 11099922959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102020141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1754325 + ... + 1760641.

It is an arithmetic number, because the mean of its divisors is an integer number (302505840).

Almost surely, 2^11102020111 is an apocalyptic number.

11102020111 is a deficient number, since it is larger than the sum of its proper divisors (3418260209).

11102020111 is a wasteful number, since it uses less digits than its factorization.

11102020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464 (or 6457 counting only the distinct ones).

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

It can be divided in two parts, 111020 and 20111, that added together give a palindrome (131131).

The spelling of 11102020111 in words is "eleven billion, one hundred two million, twenty thousand, one hundred eleven".