1010421104394 has 128 divisors (see below), whose sum is σ = 2369639301120. Its totient is φ = 284442969600.

The previous prime is 1010421104377. The next prime is 1010421104411. The reversal of 1010421104394 is 4934011240101.

It is an interprime number because it is at equal distance from previous prime (1010421104377) and next prime (1010421104411).

It is a super-2 number, since 2×1010421104394² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22351174 + ... + 22396334.

It is an arithmetic number, because the mean of its divisors is an integer number (18512807040).

Almost surely, 2^{1010421104394} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010421104394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184819650560).

1010421104394 is an abundant number, since it is smaller than the sum of its proper divisors (1359218196726).

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

1010421104394 is a wasteful number, since it uses less digits than its factorization.

1010421104394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45716.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 1010421104394 its reverse (4934011240101), we get a palindrome (5944432344495).

The spelling of 1010421104394 in words is "one trillion, ten billion, four hundred twenty-one million, one hundred four thousand, three hundred ninety-four".