120120022220100 has 216 divisors, whose sum is σ = 405328999158720. Its totient is φ = 27385422785280.

The previous prime is 120120022220071. The next prime is 120120022220117. The reversal of 120120022220100 is 1022220021021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120120022220100.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4784824 + ... + 16221423.

Almost surely, 2^{120120022220100} is an apocalyptic number.

120120022220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120120022220100 is an abundant number, since it is smaller than the sum of its proper divisors (285208976938620).

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

120120022220100 is a wasteful number, since it uses less digits than its factorization.

120120022220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006667 (or 21006653 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120120022220100 its reverse (1022220021021), we get a palindrome (121142242241121).

The spelling of 120120022220100 in words is "one hundred twenty trillion, one hundred twenty billion, twenty-two million, two hundred twenty thousand, one hundred".