101100111010221 has 16 divisors (see below), whose sum is σ = 136157118956928. Its totient is φ = 66721807320000.

The previous prime is 101100111010219. The next prime is 101100111010273. The reversal of 101100111010221 is 122010111001101.

It is not a de Polignac number, because 101100111010221 - 2¹ = 101100111010219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101100111010197 and 101100111010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100111010421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25496401 + ... + 29193606.

It is an arithmetic number, because the mean of its divisors is an integer number (8509819934808).

Almost surely, 2^{101100111010221} is an apocalyptic number.

It is an amenable number.

101100111010221 is a deficient number, since it is larger than the sum of its proper divisors (35057007946707).

101100111010221 is a wasteful number, since it uses less digits than its factorization.

101100111010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54696212.

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

Adding to 101100111010221 its reverse (122010111001101), we get a palindrome (223110222011322).

The spelling of 101100111010221 in words is "one hundred one trillion, one hundred billion, one hundred eleven million, ten thousand, two hundred twenty-one".