10243121222403 has 32 divisors (see below), whose sum is σ = 15590476685120. Its totient is φ = 6641907102720.

The previous prime is 10243121222371. The next prime is 10243121222419. The reversal of 10243121222403 is 30422212134201.

10243121222403 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 31 + 2 + 1 + 222 + 403 = 666.

It is not a de Polignac number, because 10243121222403 - 2⁵ = 10243121222371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243121222443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1156563 + ... + 4671603.

It is an arithmetic number, because the mean of its divisors is an integer number (487202396410).

Almost surely, 2^{10243121222403} is an apocalyptic number.

10243121222403 is a deficient number, since it is larger than the sum of its proper divisors (5347355462717).

10243121222403 is a wasteful number, since it uses less digits than its factorization.

10243121222403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518004 (or 3517998 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 10243121222403 its reverse (30422212134201), we get a palindrome (40665333356604).

The spelling of 10243121222403 in words is "ten trillion, two hundred forty-three billion, one hundred twenty-one million, two hundred twenty-two thousand, four hundred three".