102045226721 has 8 divisors (see below), whose sum is σ = 102115533888. Its totient is φ = 101974950000.

The previous prime is 102045226697. The next prime is 102045226753. The reversal of 102045226721 is 127622540201.

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 102045226721 - 2¹⁰ = 102045225697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102045226781) 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, 12592571 + ... + 12600671.

It is an arithmetic number, because the mean of its divisors is an integer number (12764441736).

Almost surely, 2^102045226721 is an apocalyptic number.

It is an amenable number.

102045226721 is a deficient number, since it is larger than the sum of its proper divisors (70307167).

102045226721 is an equidigital number, since it uses as much as digits as its factorization.

102045226721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15223.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 102045226721 its reverse (127622540201), we get a palindrome (229667766922).

The spelling of 102045226721 in words is "one hundred two billion, forty-five million, two hundred twenty-six thousand, seven hundred twenty-one".