102101022321 has 4 divisors (see below), whose sum is σ = 136134696432. Its totient is φ = 68067348212.

The previous prime is 102101022307. The next prime is 102101022337. The reversal of 102101022321 is 123220101201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123220101201 = 3 ⋅41073367067.

It is a cyclic number.

It is not a de Polignac number, because 102101022321 - 2¹³ = 102101014129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102101022321.

It is not an unprimeable number, because it can be changed into a prime (102101022371) 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, 17016837051 + ... + 17016837056.

It is an arithmetic number, because the mean of its divisors is an integer number (34033674108).

Almost surely, 2^102101022321 is an apocalyptic number.

It is an amenable number.

102101022321 is a deficient number, since it is larger than the sum of its proper divisors (34033674111).

102101022321 is an equidigital number, since it uses as much as digits as its factorization.

102101022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34033674110.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102101022321 its reverse (123220101201), we get a palindrome (225321123522).

The spelling of 102101022321 in words is "one hundred two billion, one hundred one million, twenty-two thousand, three hundred twenty-one".