101101120431221 has 4 divisors (see below), whose sum is σ = 101520627155244. Its totient is φ = 100681613707200.

The previous prime is 101101120431173. The next prime is 101101120431271. The reversal of 101101120431221 is 122134021101101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83911920519025 + 17189199912196 = 9160345^2 + 4145986^2 .

It is a cyclic number.

It is not a de Polignac number, because 101101120431221 - 2¹⁴ = 101101120414837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101101120431193 and 101101120431202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101120431271) 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, 209753361650 + ... + 209753362131.

It is an arithmetic number, because the mean of its divisors is an integer number (25380156788811).

Almost surely, 2^{101101120431221} is an apocalyptic number.

It is an amenable number.

101101120431221 is a deficient number, since it is larger than the sum of its proper divisors (419506724023).

101101120431221 is an equidigital number, since it uses as much as digits as its factorization.

101101120431221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419506724022.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 101101120431221 its reverse (122134021101101), we get a palindrome (223235141532322).

The spelling of 101101120431221 in words is "one hundred one trillion, one hundred one billion, one hundred twenty million, four hundred thirty-one thousand, two hundred twenty-one".