120102210102122 has 4 divisors (see below), whose sum is σ = 180153315153186. Its totient is φ = 60051105051060.

The previous prime is 120102210102101. The next prime is 120102210102131. The reversal of 120102210102122 is 221201012201021.

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

It can be written as a sum of positive squares in only one way, i.e., 112159558672681 + 7942651429441 = 10590541^2 + 2818271^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120102210102122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30025552525529 + ... + 30025552525532.

Almost surely, 2^{120102210102122} is an apocalyptic number.

120102210102122 is a deficient number, since it is larger than the sum of its proper divisors (60051105051064).

120102210102122 is an equidigital number, since it uses as much as digits as its factorization.

120102210102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60051105051063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120102210102122 its reverse (221201012201021), we get a palindrome (341303222303143).

The spelling of 120102210102122 in words is "one hundred twenty trillion, one hundred two billion, two hundred ten million, one hundred two thousand, one hundred twenty-two".