10010421001243 has 16 divisors (see below), whose sum is σ = 11046898358496. Its totient is φ = 9012620332800.

The previous prime is 10010421001241. The next prime is 10010421001253. The reversal of 10010421001243 is 34210012401001.

It is a cyclic number.

It is not a de Polignac number, because 10010421001243 - 2¹ = 10010421001241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10010421001243.

It is not an unprimeable number, because it can be changed into a prime (10010421001241) 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, 12381130 + ... + 13164847.

It is an arithmetic number, because the mean of its divisors is an integer number (690431147406).

Almost surely, 2^{10010421001243} is an apocalyptic number.

10010421001243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10010421001243 is a deficient number, since it is larger than the sum of its proper divisors (1036477357253).

10010421001243 is a wasteful number, since it uses less digits than its factorization.

10010421001243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25546734.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10010421001243 its reverse (34210012401001), we get a palindrome (44220433402244).

The spelling of 10010421001243 in words is "ten trillion, ten billion, four hundred twenty-one million, one thousand, two hundred forty-three".