102120210122 has 8 divisors (see below), whose sum is σ = 175063217376. Its totient is φ = 43765804332.

The previous prime is 102120210113. The next prime is 102120210133. The reversal of 102120210122 is 221012021201.

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

It is a super-2 number, since 2×102120210122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 7294300723 = 102120210122 / (1 + 0 + 2 + 1 + 2 + 0 + 2 + 1 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 102120210097 and 102120210106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3647150348 + ... + 3647150375.

It is an arithmetic number, because the mean of its divisors is an integer number (21882902172).

Almost surely, 2^102120210122 is an apocalyptic number.

102120210122 is a deficient number, since it is larger than the sum of its proper divisors (72943007254).

102120210122 is an equidigital number, since it uses as much as digits as its factorization.

102120210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7294300732.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102120210122 its reverse (221012021201), we get a palindrome (323132231323).

The spelling of 102120210122 in words is "one hundred two billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-two".