101122220102221 has 4 divisors (see below), whose sum is σ = 101122428953344. Its totient is φ = 101122011251100.

The previous prime is 101122220102149. The next prime is 101122220102227. The reversal of 101122220102221 is 122201022221101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101122220102221 - 2¹¹ = 101122220100173 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 (101122220102227) 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, 103697595 + ... + 104668216.

It is an arithmetic number, because the mean of its divisors is an integer number (25280607238336).

Almost surely, 2^{101122220102221} is an apocalyptic number.

It is an amenable number.

101122220102221 is a deficient number, since it is larger than the sum of its proper divisors (208851123).

101122220102221 is an equidigital number, since it uses as much as digits as its factorization.

101122220102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208851122.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101122220102221 its reverse (122201022221101), we get a palindrome (223323242323322).

The spelling of 101122220102221 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred twenty million, one hundred two thousand, two hundred twenty-one".