101220402322111 has 4 divisors (see below), whose sum is σ = 101232223001272. Its totient is φ = 101208581642952.

The previous prime is 101220402322097. The next prime is 101220402322177. The reversal of 101220402322111 is 111223204022101.

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 101220402322111 - 2¹⁵ = 101220402289343 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 (101220402382111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5910326736 + ... + 5910343861.

It is an arithmetic number, because the mean of its divisors is an integer number (25308055750318).

Almost surely, 2^{101220402322111} is an apocalyptic number.

101220402322111 is a deficient number, since it is larger than the sum of its proper divisors (11820679161).

101220402322111 is an equidigital number, since it uses as much as digits as its factorization.

101220402322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820679160.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 101220402322111 its reverse (111223204022101), we get a palindrome (212443606344212).

The spelling of 101220402322111 in words is "one hundred one trillion, two hundred twenty billion, four hundred two million, three hundred twenty-two thousand, one hundred eleven".