120021122212102 has 48 divisors (see below), whose sum is σ = 190978580470320. Its totient is φ = 56561380356096.

The previous prime is 120021122212097. The next prime is 120021122212163. The reversal of 120021122212102 is 201212221120021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 120021122212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230666778 + ... + 231186514.

It is an arithmetic number, because the mean of its divisors is an integer number (3978720426465).

Almost surely, 2^{120021122212102} is an apocalyptic number.

120021122212102 is a deficient number, since it is larger than the sum of its proper divisors (70957458258218).

120021122212102 is a wasteful number, since it uses less digits than its factorization.

120021122212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521413 (or 521394 counting only the distinct ones).

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

Adding to 120021122212102 its reverse (201212221120021), we get a palindrome (321233343332123).

The spelling of 120021122212102 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-two million, two hundred twelve thousand, one hundred two".