2221210010120 has 32 divisors (see below), whose sum is σ = 5291706202200. Its totient is φ = 836220238848.

The previous prime is 2221210010113. The next prime is 2221210010189. The reversal of 2221210010120 is 210100121222.

It can be written as a sum of positive squares in 4 ways, for example, as 1608894370084 + 612315640036 = 1268422^2 + 782506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221210010095 and 2221210010104.

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, 1633241975 + ... + 1633243334.

Almost surely, 2^{2221210010120} is an apocalyptic number.

2221210010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221210010120 is an abundant number, since it is smaller than the sum of its proper divisors (3070496192080).

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

2221210010120 is a wasteful number, since it uses less digits than its factorization.

2221210010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266485337 (or 3266485333 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221210010120 its reverse (210100121222), we get a palindrome (2431310131342).

The spelling of 2221210010120 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, ten thousand, one hundred twenty".