101021120111 has 8 divisors (see below), whose sum is σ = 101178790944. Its totient is φ = 100863542880.

The previous prime is 101021120077. The next prime is 101021120113. The reversal of 101021120111 is 111021120101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101021120111 - 2¹⁸ = 101020857967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021120092 and 101021120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021120113) 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 7 ways as a sum of consecutive naturals, for example, 2316470 + ... + 2359676.

It is an arithmetic number, because the mean of its divisors is an integer number (12647348868).

Almost surely, 2^101021120111 is an apocalyptic number.

101021120111 is a deficient number, since it is larger than the sum of its proper divisors (157670833).

101021120111 is an equidigital number, since it uses as much as digits as its factorization.

101021120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46801.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101021120111 its reverse (111021120101), we get a palindrome (212042240212).

The spelling of 101021120111 in words is "one hundred one billion, twenty-one million, one hundred twenty thousand, one hundred eleven".