102101441442 has 128 divisors (see below), whose sum is σ = 278670163968. Its totient is φ = 24078470400.

The previous prime is 102101441413. The next prime is 102101441447. The reversal of 102101441442 is 244144101201.

It is not an unprimeable number, because it can be changed into a prime (102101441447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 227023 + ... + 505709.

It is an arithmetic number, because the mean of its divisors is an integer number (2177110656).

Almost surely, 2^102101441442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102101441442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139335081984).

102101441442 is an abundant number, since it is smaller than the sum of its proper divisors (176568722526).

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

102101441442 is a wasteful number, since it uses less digits than its factorization.

102101441442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278784.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 102101441442 its reverse (244144101201), we get a palindrome (346245542643).

The spelling of 102101441442 in words is "one hundred two billion, one hundred one million, four hundred forty-one thousand, four hundred forty-two".