101100211012111 has 4 divisors (see below), whose sum is σ = 101684605295592. Its totient is φ = 100515816728632.

The previous prime is 101100211012069. The next prime is 101100211012123. The reversal of 101100211012111 is 111210112001101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101100211012111 - 2⁹ = 101100211011599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101100211012091 and 101100211012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100211012711) 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 3 ways as a sum of consecutive naturals, for example, 292197141481 + ... + 292197141826.

It is an arithmetic number, because the mean of its divisors is an integer number (25421151323898).

Almost surely, 2^{101100211012111} is an apocalyptic number.

101100211012111 is a deficient number, since it is larger than the sum of its proper divisors (584394283481).

101100211012111 is an equidigital number, since it uses as much as digits as its factorization.

101100211012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584394283480.

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

Adding to 101100211012111 its reverse (111210112001101), we get a palindrome (212310323013212).

The spelling of 101100211012111 in words is "one hundred one trillion, one hundred billion, two hundred eleven million, twelve thousand, one hundred eleven".