120221210122102 has 4 divisors (see below), whose sum is σ = 180331815183156. Its totient is φ = 60110605061050.

The previous prime is 120221210122093. The next prime is 120221210122127. The reversal of 120221210122102 is 201221012122021.

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 120221210122102.

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, 30055302530524 + ... + 30055302530527.

It is an arithmetic number, because the mean of its divisors is an integer number (45082953795789).

Almost surely, 2^{120221210122102} is an apocalyptic number.

120221210122102 is a deficient number, since it is larger than the sum of its proper divisors (60110605061054).

120221210122102 is an equidigital number, since it uses as much as digits as its factorization.

120221210122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60110605061053.

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

Adding to 120221210122102 its reverse (201221012122021), we get a palindrome (321442222244123).

The spelling of 120221210122102 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, one hundred two".