120010011221020 has 24 divisors (see below), whose sum is σ = 252029614762800. Its totient is φ = 48002368069632.

The previous prime is 120010011221011. The next prime is 120010011221053. The reversal of 120010011221020 is 20122110010021.

It is a super-2 number, since 2×120010011221020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101674725 + ... + 102848284.

It is an arithmetic number, because the mean of its divisors is an integer number (10501233948450).

Almost surely, 2^{120010011221020} is an apocalyptic number.

120010011221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120010011221020 is an abundant number, since it is smaller than the sum of its proper divisors (132019603541780).

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

120010011221020 is a wasteful number, since it uses less digits than its factorization.

120010011221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204552357 (or 204552355 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120010011221020 its reverse (20122110010021), we get a palindrome (140132121231041).

The spelling of 120010011221020 in words is "one hundred twenty trillion, ten billion, eleven million, two hundred twenty-one thousand, twenty".