120221021310 has 48 divisors (see below), whose sum is σ = 312432395184. Its totient is φ = 29592865536.

The previous prime is 120221021309. The next prime is 120221021317. The reversal of 120221021310 is 13120122021.

It is a super-2 number, since 2×120221021310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120221021310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221021317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11851047 + ... + 11861186.

It is an arithmetic number, because the mean of its divisors is an integer number (6509008233).

Almost surely, 2^120221021310 is an apocalyptic number.

120221021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120221021310 is an abundant number, since it is smaller than the sum of its proper divisors (192211373874).

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

120221021310 is a wasteful number, since it uses less digits than its factorization.

120221021310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23712269 (or 23712256 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120221021310 its reverse (13120122021), we get a palindrome (133341143331).

The spelling of 120221021310 in words is "one hundred twenty billion, two hundred twenty-one million, twenty-one thousand, three hundred ten".