120104220142100 has 18 divisors (see below), whose sum is σ = 260626157708574. Its totient is φ = 48041688056800.

The previous prime is 120104220142003. The next prime is 120104220142147. The reversal of 120104220142100 is 1241022401021.

It can be written as a sum of positive squares in 3 ways, for example, as 32845530134404 + 87258690007696 = 5731102^2 + 9341236^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 600521100611 + ... + 600521100810.

Almost surely, 2^{120104220142100} is an apocalyptic number.

120104220142100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120104220142100 is an abundant number, since it is smaller than the sum of its proper divisors (140521937566474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120104220142100 is a wasteful number, since it uses less digits than its factorization.

120104220142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201042201435 (or 1201042201428 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120104220142100 its reverse (1241022401021), we get a palindrome (121345242543121).

The spelling of 120104220142100 in words is "one hundred twenty trillion, one hundred four billion, two hundred twenty million, one hundred forty-two thousand, one hundred".