1030120240221 has 24 divisors (see below), whose sum is σ = 1489305792000. Its totient is φ = 686122055136.

The previous prime is 1030120240207. The next prime is 1030120240277. The reversal of 1030120240221 is 1220420210301.

It is a happy number.

1030120240221 is a `hidden beast` number, since 10 + 30 + 1 + 202 + 402 + 21 = 666.

It is not a de Polignac number, because 1030120240221 - 2⁵ = 1030120240189 is a prime.

It is a super-2 number, since 2×1030120240221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030120240194 and 1030120240203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030120240291) 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, 49770751 + ... + 49791443.

It is an arithmetic number, because the mean of its divisors is an integer number (62054408000).

Almost surely, 2^{1030120240221} is an apocalyptic number.

It is an amenable number.

1030120240221 is a deficient number, since it is larger than the sum of its proper divisors (459185551779).

1030120240221 is a wasteful number, since it uses less digits than its factorization.

1030120240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25465 (or 25462 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1030120240221 its reverse (1220420210301), we get a palindrome (2250540450522).

The spelling of 1030120240221 in words is "one trillion, thirty billion, one hundred twenty million, two hundred forty thousand, two hundred twenty-one".