101110020201221 has 4 divisors (see below), whose sum is σ = 101118265342752. Its totient is φ = 101101775059692.

The previous prime is 101110020201161. The next prime is 101110020201263. The reversal of 101110020201221 is 122102020011101.

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 101110020201221 - 2⁴² = 96711973690117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110020201196 and 101110020201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101110020231221) 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, 4122552371 + ... + 4122576896.

It is an arithmetic number, because the mean of its divisors is an integer number (25279566335688).

Almost surely, 2^{101110020201221} is an apocalyptic number.

It is an amenable number.

101110020201221 is a deficient number, since it is larger than the sum of its proper divisors (8245141531).

101110020201221 is an equidigital number, since it uses as much as digits as its factorization.

101110020201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8245141530.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101110020201221 its reverse (122102020011101), we get a palindrome (223212040212322).

The spelling of 101110020201221 in words is "one hundred one trillion, one hundred ten billion, twenty million, two hundred one thousand, two hundred twenty-one".