101321220220111 has 4 divisors (see below), whose sum is σ = 102365768882272. Its totient is φ = 100276671557952.

The previous prime is 101321220220109. The next prime is 101321220220117. The reversal of 101321220220111 is 111022022123101.

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 101321220220111 - 2¹ = 101321220220109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321220220117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522274330935 + ... + 522274331128.

It is an arithmetic number, because the mean of its divisors is an integer number (25591442220568).

Almost surely, 2^{101321220220111} is an apocalyptic number.

101321220220111 is a deficient number, since it is larger than the sum of its proper divisors (1044548662161).

101321220220111 is an equidigital number, since it uses as much as digits as its factorization.

101321220220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044548662160.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 101321220220111 its reverse (111022022123101), we get a palindrome (212343242343212).

The spelling of 101321220220111 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, one hundred eleven".