120011202221020 has 24 divisors (see below), whose sum is σ = 274934754179568. Its totient is φ = 43640437171200.

The previous prime is 120011202221003. The next prime is 120011202221039. The reversal of 120011202221020 is 20122202110021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120011202220985 and 120011202221003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272752732101 + ... + 272752732540.

It is an arithmetic number, because the mean of its divisors is an integer number (11455614757482).

Almost surely, 2^{120011202221020} is an apocalyptic number.

120011202221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011202221020 is an abundant number, since it is smaller than the sum of its proper divisors (154923551958548).

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

120011202221020 is a wasteful number, since it uses less digits than its factorization.

120011202221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545505464661 (or 545505464659 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120011202221020 its reverse (20122202110021), we get a palindrome (140133404331041).

The spelling of 120011202221020 in words is "one hundred twenty trillion, eleven billion, two hundred two million, two hundred twenty-one thousand, twenty".