10000421010 has 24 divisors (see below), whose sum is σ = 26001094860. Its totient is φ = 2666778912.

The previous prime is 10000420961. The next prime is 10000421059. The reversal of 10000421010 is 1012400001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10000420961) and next prime (10000421059).

It can be written as a sum of positive squares in 2 ways, for example, as 9382053321 + 618367689 = 96861^2 + 24867^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10000420983 and 10000421001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55557805 + ... + 55557984.

Almost surely, 2^10000421010 is an apocalyptic number.

10000421010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10000421010 is an abundant number, since it is smaller than the sum of its proper divisors (16000673850).

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

10000421010 is a wasteful number, since it uses less digits than its factorization.

10000421010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111115802 (or 111115799 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10000421010 its reverse (1012400001), we get a palindrome (11012821011).

The spelling of 10000421010 in words is "ten billion, four hundred twenty-one thousand, ten".