101320122330221 has 16 divisors (see below), whose sum is σ = 102515635206000. Its totient is φ = 100125894156288.

The previous prime is 101320122330169. The next prime is 101320122330223. The reversal of 101320122330221 is 122033221023101.

It can be written as a sum of positive squares in 8 ways, for example, as 7662516015625 + 93657606314596 = 2768125^2 + 9677686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101320122330221 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 (101320122330223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199736605 + ... + 1199821053.

It is an arithmetic number, because the mean of its divisors is an integer number (6407227200375).

Almost surely, 2^{101320122330221} is an apocalyptic number.

It is an amenable number.

101320122330221 is a deficient number, since it is larger than the sum of its proper divisors (1195512875779).

101320122330221 is an equidigital number, since it uses as much as digits as its factorization.

101320122330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91888.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 101320122330221 its reverse (122033221023101), we get a palindrome (223353343353322).

The spelling of 101320122330221 in words is "one hundred one trillion, three hundred twenty billion, one hundred twenty-two million, three hundred thirty thousand, two hundred twenty-one".