111100021210101 has 128 divisors (see below), whose sum is σ = 194650696581120. Its totient is φ = 54650797344000.

The previous prime is 111100021210093. The next prime is 111100021210103. The reversal of 111100021210101 is 101012120001111.

It is not a de Polignac number, because 111100021210101 - 2³ = 111100021210093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100021210103) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7589310340 + ... + 7589324978.

It is an arithmetic number, because the mean of its divisors is an integer number (1520708567040).

Almost surely, 2^{111100021210101} is an apocalyptic number.

111100021210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111100021210101 is a deficient number, since it is larger than the sum of its proper divisors (83550675371019).

111100021210101 is a wasteful number, since it uses less digits than its factorization.

111100021210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28927.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111100021210101 its reverse (101012120001111), we get a palindrome (212112141211212).

The spelling of 111100021210101 in words is "one hundred eleven trillion, one hundred billion, twenty-one million, two hundred ten thousand, one hundred one".