102122102 has 4 divisors (see below), whose sum is σ = 153183156. Its totient is φ = 51061050.

The previous prime is 102122099. The next prime is 102122123. The reversal of 102122102 is 201221201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201221201 = 12527 ⋅16063.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530524 + ... + 25530527.

It is an arithmetic number, because the mean of its divisors is an integer number (38295789).

Almost surely, 2^102122102 is an apocalyptic number.

102122102 is a deficient number, since it is larger than the sum of its proper divisors (51061054).

102122102 is an equidigital number, since it uses as much as digits as its factorization.

102122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51061053.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 102122102 is about 10105.5480801389. The cubic root of 102122102 is about 467.4192366228.

Adding to 102122102 its reverse (201221201), we get a palindrome (303343303).

Subtracting 102122102 from its reverse (201221201), we obtain a palindrome (99099099).

The spelling of 102122102 in words is "one hundred two million, one hundred twenty-two thousand, one hundred two".