111101010010011 has 160 divisors (see below), whose sum is σ = 196870820889600. Its totient is φ = 61127311115520.

The previous prime is 111101010009971. The next prime is 111101010010021. The reversal of 111101010010011 is 110010010101111.

It is not a de Polignac number, because 111101010010011 - 2¹¹ = 111101010007963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111101010009975 and 111101010010002.

It is not an unprimeable number, because it can be changed into a prime (111101010010021) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 804666700 + ... + 804804758.

It is an arithmetic number, because the mean of its divisors is an integer number (1230442630560).

Almost surely, 2^{111101010010011} is an apocalyptic number.

111101010010011 is a deficient number, since it is larger than the sum of its proper divisors (85769810879589).

111101010010011 is a wasteful number, since it uses less digits than its factorization.

111101010010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138631 (or 138622 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111101010010011 its reverse (110010010101111), we get a palindrome (221111020111122).

The spelling of 111101010010011 in words is "one hundred eleven trillion, one hundred one billion, ten million, ten thousand, eleven".