102411020021442 has 32 divisors (see below), whose sum is σ = 231147129833280. Its totient is φ = 29963516829120.

The previous prime is 102411020021393. The next prime is 102411020021503. The reversal of 102411020021442 is 244120020114201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26753138113 + ... + 26753141940.

It is an arithmetic number, because the mean of its divisors is an integer number (7223347807290).

Almost surely, 2^{102411020021442} is an apocalyptic number.

102411020021442 is an abundant number, since it is smaller than the sum of its proper divisors (128736109811838).

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

102411020021442 is a wasteful number, since it uses less digits than its factorization.

102411020021442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53506280098.

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

Adding to 102411020021442 its reverse (244120020114201), we get a palindrome (346531040135643).

The spelling of 102411020021442 in words is "one hundred two trillion, four hundred eleven billion, twenty million, twenty-one thousand, four hundred forty-two".