102321101442 has 16 divisors (see below), whose sum is σ = 233876803392. Its totient is φ = 29234600400.

The previous prime is 102321101437. The next prime is 102321101453. The reversal of 102321101442 is 244101123201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218108309 + ... + 1218108392.

It is an arithmetic number, because the mean of its divisors is an integer number (14617300212).

Almost surely, 2^102321101442 is an apocalyptic number.

102321101442 is an abundant number, since it is smaller than the sum of its proper divisors (131555701950).

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

102321101442 is a wasteful number, since it uses less digits than its factorization.

102321101442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436216713.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102321101442 its reverse (244101123201), we get a palindrome (346422224643).

The spelling of 102321101442 in words is "one hundred two billion, three hundred twenty-one million, one hundred one thousand, four hundred forty-two".