1030421203422 has 64 divisors (see below), whose sum is σ = 2350736458560. Its totient is φ = 298298824704.

The previous prime is 1030421203397. The next prime is 1030421203453. The reversal of 1030421203422 is 2243021240301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1030421203392 and 1030421203401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3723768 + ... + 3990900.

It is an arithmetic number, because the mean of its divisors is an integer number (36730257165).

Almost surely, 2^{1030421203422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030421203422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175368229280).

1030421203422 is an abundant number, since it is smaller than the sum of its proper divisors (1320315255138).

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

1030421203422 is a wasteful number, since it uses less digits than its factorization.

1030421203422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270077.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1030421203422 its reverse (2243021240301), we get a palindrome (3273442443723).

The spelling of 1030421203422 in words is "one trillion, thirty billion, four hundred twenty-one million, two hundred three thousand, four hundred twenty-two".