111012012202101 has 16 divisors (see below), whose sum is σ = 148145803213824. Its totient is φ = 73943116828784.

The previous prime is 111012012202081. The next prime is 111012012202159. The reversal of 111012012202101 is 101202210210111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111012012202101 - 2¹³ = 111012012193909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012012202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234388210 + ... + 234861356.

It is an arithmetic number, because the mean of its divisors is an integer number (9259112700864).

Almost surely, 2^{111012012202101} is an apocalyptic number.

It is an amenable number.

111012012202101 is a deficient number, since it is larger than the sum of its proper divisors (37133791011723).

111012012202101 is a wasteful number, since it uses less digits than its factorization.

111012012202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541560.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111012012202101 its reverse (101202210210111), we get a palindrome (212214222412212).

The spelling of 111012012202101 in words is "one hundred eleven trillion, twelve billion, twelve million, two hundred two thousand, one hundred one".