1013370002421 has 16 divisors (see below), whose sum is σ = 1549678182528. Its totient is φ = 577007827200.

The previous prime is 1013370002399. The next prime is 1013370002497. The reversal of 1013370002421 is 1242000733101.

It is a happy number.

It is not a de Polignac number, because 1013370002421 - 2¹⁹ = 1013369478133 is a prime.

It is a super-2 number, since 2×1013370002421² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1013370002391 and 1013370002400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013370002321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85858360 + ... + 85870161.

It is an arithmetic number, because the mean of its divisors is an integer number (96854886408).

Almost surely, 2^{1013370002421} is an apocalyptic number.

It is an amenable number.

1013370002421 is a deficient number, since it is larger than the sum of its proper divisors (536308180107).

1013370002421 is a wasteful number, since it uses less digits than its factorization.

1013370002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171728812.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 1013370002421 its reverse (1242000733101), we get a palindrome (2255370735522).

The spelling of 1013370002421 in words is "one trillion, thirteen billion, three hundred seventy million, two thousand, four hundred twenty-one".