120022220121020 has 48 divisors (see below), whose sum is σ = 288054372849600. Its totient is φ = 41150326247424.

The previous prime is 120022220120993. The next prime is 120022220121049. The reversal of 120022220121020 is 20121022220021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120022220121020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41418506 + ... + 44221454.

It is an arithmetic number, because the mean of its divisors is an integer number (6001132767700).

Almost surely, 2^{120022220121020} is an apocalyptic number.

120022220121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022220121020 is an abundant number, since it is smaller than the sum of its proper divisors (168032152728580).

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

120022220121020 is a wasteful number, since it uses less digits than its factorization.

120022220121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108822 (or 3108820 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120022220121020 its reverse (20121022220021), we get a palindrome (140143242341041).

The spelling of 120022220121020 in words is "one hundred twenty trillion, twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, twenty".