111111210220011 has 8 divisors (see below), whose sum is σ = 148784109823440. Its totient is φ = 73756225381632.

The previous prime is 111111210219937. The next prime is 111111210220079. The reversal of 111111210220011 is 110022012111111.

111111210220011 is digitally balanced in base 4, 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 not a de Polignac number, because 111111210220011 - 2⁷ = 111111210219883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111111210220091) 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, 79478690446 + ... + 79478691843.

It is an arithmetic number, because the mean of its divisors is an integer number (18598013727930).

Almost surely, 2^{111111210220011} is an apocalyptic number.

111111210220011 is a deficient number, since it is larger than the sum of its proper divisors (37672899603429).

111111210220011 is a wasteful number, since it uses less digits than its factorization.

111111210220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158957382525.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111111210220011 its reverse (110022012111111), we get a palindrome (221133222331122).

The spelling of 111111210220011 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred ten million, two hundred twenty thousand, eleven".