102101342442 has 16 divisors (see below), whose sum is σ = 222766565472. Its totient is φ = 30939800720.

The previous prime is 102101342429. The next prime is 102101342443. The reversal of 102101342442 is 244243101201.

It is not an unprimeable number, because it can be changed into a prime (102101342443) 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, 773494953 + ... + 773495084.

It is an arithmetic number, because the mean of its divisors is an integer number (13922910342).

Almost surely, 2^102101342442 is an apocalyptic number.

102101342442 is an abundant number, since it is smaller than the sum of its proper divisors (120665223030).

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

102101342442 is a wasteful number, since it uses less digits than its factorization.

102101342442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546990053.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102101342442 its reverse (244243101201), we get a palindrome (346344443643).

The spelling of 102101342442 in words is "one hundred two billion, one hundred one million, three hundred forty-two thousand, four hundred forty-two".