102243521322 has 32 divisors (see below), whose sum is σ = 227224906560. Its totient is φ = 34078611600.

The previous prime is 102243521309. The next prime is 102243521327. The reversal of 102243521322 is 223125342201.

102243521322 is a `hidden beast` number, since 10 + 2 + 2 + 435 + 213 + 2 + 2 = 666.

It is a super-4 number, since 4×102243521322⁴ (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102243521327) 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, 738208 + ... + 865700.

It is an arithmetic number, because the mean of its divisors is an integer number (7100778330).

Almost surely, 2^102243521322 is an apocalyptic number.

102243521322 is an abundant number, since it is smaller than the sum of its proper divisors (124981385238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102243521322 is a wasteful number, since it uses less digits than its factorization.

102243521322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142355 (or 142349 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 102243521322 its reverse (223125342201), we get a palindrome (325368863523).

The spelling of 102243521322 in words is "one hundred two billion, two hundred forty-three million, five hundred twenty-one thousand, three hundred twenty-two".