102021213441142 has 8 divisors (see below), whose sum is σ = 155315877179256. Its totient is φ = 50249254381392.

The previous prime is 102021213441113. The next prime is 102021213441193. The reversal of 102021213441142 is 241144312120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102021213441142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380676169423 + ... + 380676169690.

It is an arithmetic number, because the mean of its divisors is an integer number (19414484647407).

Almost surely, 2^{102021213441142} is an apocalyptic number.

102021213441142 is a deficient number, since it is larger than the sum of its proper divisors (53294663738114).

102021213441142 is an equidigital number, since it uses as much as digits as its factorization.

102021213441142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761352339182.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 102021213441142 its reverse (241144312120201), we get a palindrome (343165525561343).

The spelling of 102021213441142 in words is "one hundred two trillion, twenty-one billion, two hundred thirteen million, four hundred forty-one thousand, one hundred forty-two".