111021010202011 has 32 divisors (see below), whose sum is σ = 138935896178688. Its totient is φ = 86377907105280.

The previous prime is 111021010201993. The next prime is 111021010202021. The reversal of 111021010202011 is 110202010120111.

It is a happy number.

It is not a de Polignac number, because 111021010202011 - 2⁹ = 111021010201499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 111021010201982 and 111021010202000.

It is not an unprimeable number, because it can be changed into a prime (111021010202021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41200195 + ... + 43812076.

It is an arithmetic number, because the mean of its divisors is an integer number (4341746755584).

Almost surely, 2^{111021010202011} is an apocalyptic number.

111021010202011 is a deficient number, since it is larger than the sum of its proper divisors (27914885976677).

111021010202011 is a wasteful number, since it uses less digits than its factorization.

111021010202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85012531.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111021010202011 its reverse (110202010120111), we get a palindrome (221223020322122).

The spelling of 111021010202011 in words is "one hundred eleven trillion, twenty-one billion, ten million, two hundred two thousand, eleven".