111101021201011 has 8 divisors (see below), whose sum is σ = 112413639804048. Its totient is φ = 109795440768000.

The previous prime is 111101021200801. The next prime is 111101021201017. The reversal of 111101021201011 is 110102120101111.

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

It is a cyclic number.

It is not a de Polignac number, because 111101021201011 - 2²⁷ = 111100886983283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111101021200982 and 111101021201000.

It is not an unprimeable number, because it can be changed into a prime (111101021201017) 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, 1759510750 + ... + 1759573891.

It is an arithmetic number, because the mean of its divisors is an integer number (14051704975506).

Almost surely, 2^{111101021201011} is an apocalyptic number.

111101021201011 is a deficient number, since it is larger than the sum of its proper divisors (1312618603037).

111101021201011 is a wasteful number, since it uses less digits than its factorization.

111101021201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519085013.

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

Adding to 111101021201011 its reverse (110102120101111), we get a palindrome (221203141302122).

It can be divided in two parts, 11 and 1101021201011, that multiplied together give a palindrome (12111233211121).

The spelling of 111101021201011 in words is "one hundred eleven trillion, one hundred one billion, twenty-one million, two hundred one thousand, eleven".