120222121021020 has 72 divisors (see below), whose sum is σ = 364677129376560. Its totient is φ = 32058936687360.

The previous prime is 120222121020979. The next prime is 120222121021033. The reversal of 120222121021020 is 20120121222021.

It is a happy number.

120222121021020 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 221 + 210 + 210 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120222121020984 and 120222121021002.

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, 16855591 + ... + 22903169.

It is an arithmetic number, because the mean of its divisors is an integer number (5064960130230).

Almost surely, 2^{120222121021020} is an apocalyptic number.

120222121021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222121021020 is an abundant number, since it is smaller than the sum of its proper divisors (244455008355540).

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

120222121021020 is a wasteful number, since it uses less digits than its factorization.

120222121021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6158035 (or 6158030 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120222121021020 its reverse (20120121222021), we get a palindrome (140342242243041).

The spelling of 120222121021020 in words is "one hundred twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, twenty".