102020122102 has 4 divisors (see below), whose sum is σ = 153030183156. Its totient is φ = 51010061050.

The previous prime is 102020122091. The next prime is 102020122103. The reversal of 102020122102 is 201221020201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020122103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505030524 + ... + 25505030527.

It is an arithmetic number, because the mean of its divisors is an integer number (38257545789).

Almost surely, 2^102020122102 is an apocalyptic number.

102020122102 is a deficient number, since it is larger than the sum of its proper divisors (51010061054).

102020122102 is an equidigital number, since it uses as much as digits as its factorization.

102020122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010061053.

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

Adding to 102020122102 its reverse (201221020201), we get a palindrome (303241142303).

The spelling of 102020122102 in words is "one hundred two billion, twenty million, one hundred twenty-two thousand, one hundred two".