102020221342 has 16 divisors (see below), whose sum is σ = 170118087552. Its totient is φ = 45567344160.

The previous prime is 102020221337. The next prime is 102020221351. The reversal of 102020221342 is 243122020201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63287173 + ... + 63288784.

It is an arithmetic number, because the mean of its divisors is an integer number (10632380472).

Almost surely, 2^102020221342 is an apocalyptic number.

102020221342 is a deficient number, since it is larger than the sum of its proper divisors (68097866210).

102020221342 is a wasteful number, since it uses less digits than its factorization.

102020221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126576003.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 102020221342 its reverse (243122020201), we get a palindrome (345142241543).

The spelling of 102020221342 in words is "one hundred two billion, twenty million, two hundred twenty-one thousand, three hundred forty-two".