120121212022102 has 4 divisors (see below), whose sum is σ = 180181818033156. Its totient is φ = 60060606011050.

The previous prime is 120121212022087. The next prime is 120121212022151. The reversal of 120121212022102 is 201220212121021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 120121212022102.

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, 30030303005524 + ... + 30030303005527.

It is an arithmetic number, because the mean of its divisors is an integer number (45045454508289).

Almost surely, 2^{120121212022102} is an apocalyptic number.

120121212022102 is a deficient number, since it is larger than the sum of its proper divisors (60060606011054).

120121212022102 is an equidigital number, since it uses as much as digits as its factorization.

120121212022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60060606011053.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120121212022102 its reverse (201220212121021), we get a palindrome (321341424143123).

The spelling of 120121212022102 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twelve million, twenty-two thousand, one hundred two".