10120221120 has 56 divisors (see below), whose sum is σ = 32131705104. Its totient is φ = 2698725376.

The previous prime is 10120221113. The next prime is 10120221131. The reversal of 10120221120 is 2112202101.

It is a super-4 number, since 4×10120221120⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10120221096 and 10120221105.

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, 5269989 + ... + 5271908.

Almost surely, 2^10120221120 is an apocalyptic number.

10120221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120221120 is an abundant number, since it is smaller than the sum of its proper divisors (22011483984).

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

10120221120 is a wasteful number, since it uses less digits than its factorization.

10120221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541917 (or 10541907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10120221120 its reverse (2112202101), we get a palindrome (12232423221).

The spelling of 10120221120 in words is "ten billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty".