101321223021011 has 4 divisors (see below), whose sum is σ = 115795683452592. Its totient is φ = 86846762589432.

The previous prime is 101321223021001. The next prime is 101321223021019. The reversal of 101321223021011 is 110120322123101.

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 101321223021011 - 2⁶ = 101321223020947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101321223021019) 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, 7237230215780 + ... + 7237230215793.

It is an arithmetic number, because the mean of its divisors is an integer number (28948920863148).

Almost surely, 2^{101321223021011} is an apocalyptic number.

101321223021011 is a deficient number, since it is larger than the sum of its proper divisors (14474460431581).

101321223021011 is an equidigital number, since it uses as much as digits as its factorization.

101321223021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474460431580.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 101321223021011 its reverse (110120322123101), we get a palindrome (211441545144112).

The spelling of 101321223021011 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred twenty-three million, twenty-one thousand, eleven".