101320221221 has 8 divisors (see below), whose sum is σ = 107316938880. Its totient is φ = 95327581888.

The previous prime is 101320221179. The next prime is 101320221259. The reversal of 101320221221 is 122122023101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101320221221 - 2¹⁴ = 101320204837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101320221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101320221271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968351 + ... + 1067868.

It is an arithmetic number, because the mean of its divisors is an integer number (13414617360).

Almost surely, 2^101320221221 is an apocalyptic number.

It is an amenable number.

101320221221 is a deficient number, since it is larger than the sum of its proper divisors (5996717659).

101320221221 is a wasteful number, since it uses less digits than its factorization.

101320221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039163.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101320221221 its reverse (122122023101), we get a palindrome (223442244322).

The spelling of 101320221221 in words is "one hundred one billion, three hundred twenty million, two hundred twenty-one thousand, two hundred twenty-one".