101101110221 has 4 divisors (see below), whose sum is σ = 101102485500. Its totient is φ = 101099734944.

The previous prime is 101101110181. The next prime is 101101110277. The reversal of 101101110221 is 122011101101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122011101101 = 31 ⋅3935841971.

It can be written as a sum of positive squares in 2 ways, for example, as 92346700996 + 8754409225 = 303886^2 + 93565^2 .

It is a cyclic number.

It is not a de Polignac number, because 101101110221 - 2¹⁴ = 101101093837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101115221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570746 + ... + 726603.

It is an arithmetic number, because the mean of its divisors is an integer number (25275621375).

Almost surely, 2^101101110221 is an apocalyptic number.

It is an amenable number.

101101110221 is a deficient number, since it is larger than the sum of its proper divisors (1375279).

101101110221 is an equidigital number, since it uses as much as digits as its factorization.

101101110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375278.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101101110221 its reverse (122011101101), we get a palindrome (223112211322).

The spelling of 101101110221 in words is "one hundred one billion, one hundred one million, one hundred ten thousand, two hundred twenty-one".