1030221121240 has 32 divisors (see below), whose sum is σ = 2355997487760. Its totient is φ = 405332899200.

The previous prime is 1030221121231. The next prime is 1030221121247. The reversal of 1030221121240 is 421211220301.

It is a super-2 number, since 2×1030221121240² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030221121247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211108446 + ... + 211113325.

Almost surely, 2^{1030221121240} is an apocalyptic number.

1030221121240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030221121240 is an abundant number, since it is smaller than the sum of its proper divisors (1325776366520).

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

1030221121240 is a wasteful number, since it uses less digits than its factorization.

1030221121240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422221843 (or 422221839 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1030221121240 its reverse (421211220301), we get a palindrome (1451432341541).

The spelling of 1030221121240 in words is "one trillion, thirty billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred forty".