111210021101201 has 12 divisors (see below), whose sum is σ = 122242820130816. Its totient is φ = 101096954047320.

The previous prime is 111210021101197. The next prime is 111210021101269. The reversal of 111210021101201 is 102101120012111.

It is not a de Polignac number, because 111210021101201 - 2² = 111210021101197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111210021101701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9920141 + ... + 17911706.

It is an arithmetic number, because the mean of its divisors is an integer number (10186901677568).

Almost surely, 2^{111210021101201} is an apocalyptic number.

111210021101201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111210021101201 is a deficient number, since it is larger than the sum of its proper divisors (11032799029615).

111210021101201 is a wasteful number, since it uses less digits than its factorization.

111210021101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27864892 (or 27864881 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111210021101201 its reverse (102101120012111), we get a palindrome (213311141113312).

The spelling of 111210021101201 in words is "one hundred eleven trillion, two hundred ten billion, twenty-one million, one hundred one thousand, two hundred one".