120022100 has 36 divisors (see below), whose sum is σ = 284127648. Its totient is φ = 43644000.

The previous prime is 120022087. The next prime is 120022103. The reversal of 120022100 is 1220021.

Added to its reverse (1220021) it gives a square (121242121 = 11011²).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53456 + ... + 55655.

Almost surely, 2^120022100 is an apocalyptic number.

120022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022100 is an abundant number, since it is smaller than the sum of its proper divisors (164105548).

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

120022100 is a wasteful number, since it uses less digits than its factorization.

120022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109136 (or 109129 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 120022100 is about 10955.4598260411. The cubic root of 120022100 is about 493.2726926113.

Adding to 120022100 its reverse (1220021), we get a palindrome (121242121).

The spelling of 120022100 in words is "one hundred twenty million, twenty-two thousand, one hundred".