102102020122 has 8 divisors (see below), whose sum is σ = 153922644000. Its totient is φ = 50794472124.

The previous prime is 102102020117. The next prime is 102102020131. The reversal of 102102020122 is 221020201201.

It is a happy number.

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

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, 128268472 + ... + 128269267.

It is an arithmetic number, because the mean of its divisors is an integer number (19240330500).

Almost surely, 2^102102020122 is an apocalyptic number.

102102020122 is a deficient number, since it is larger than the sum of its proper divisors (51820623878).

102102020122 is a wasteful number, since it uses less digits than its factorization.

102102020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256537940.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102102020122 its reverse (221020201201), we get a palindrome (323122221323).

The spelling of 102102020122 in words is "one hundred two billion, one hundred two million, twenty thousand, one hundred twenty-two".