102213130332221 has 4 divisors (see below), whose sum is σ = 102214271053344. Its totient is φ = 102211989611100.

The previous prime is 102213130332149. The next prime is 102213130332223. The reversal of 102213130332221 is 122233031312201.

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 a de Polignac number, because none of the positive numbers 2^k-102213130332221 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 (102213130332223) 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, 570226145 + ... + 570405366.

It is an arithmetic number, because the mean of its divisors is an integer number (25553567763336).

Almost surely, 2^{102213130332221} is an apocalyptic number.

It is an amenable number.

102213130332221 is a deficient number, since it is larger than the sum of its proper divisors (1140721123).

102213130332221 is an equidigital number, since it uses as much as digits as its factorization.

102213130332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140721122.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 102213130332221 its reverse (122233031312201), we get a palindrome (224446161644422).

The spelling of 102213130332221 in words is "one hundred two trillion, two hundred thirteen billion, one hundred thirty million, three hundred thirty-two thousand, two hundred twenty-one".