1030721222007 has 12 divisors (see below), whose sum is σ = 1488829534920. Its totient is φ = 687142869648.

The previous prime is 1030721221997. The next prime is 1030721222009. The reversal of 1030721222007 is 7002221270301.

It is not a de Polignac number, because 1030721222007 - 2⁴ = 1030721221991 is a prime.

It is a super-2 number, since 2×1030721222007² (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 (1030721222009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1536469 + ... + 2102897.

It is an arithmetic number, because the mean of its divisors is an integer number (124069127910).

Almost surely, 2^{1030721222007} is an apocalyptic number.

1030721222007 is a deficient number, since it is larger than the sum of its proper divisors (458108312913).

1030721222007 is a wasteful number, since it uses less digits than its factorization.

1030721222007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768622 (or 768619 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

Adding to 1030721222007 its reverse (7002221270301), we get a palindrome (8032942492308).

The spelling of 1030721222007 in words is "one trillion, thirty billion, seven hundred twenty-one million, two hundred twenty-two thousand, seven".