10243120421102 has 4 divisors (see below), whose sum is σ = 15364680631656. Its totient is φ = 5121560210550.

The previous prime is 10243120421041. The next prime is 10243120421167. The reversal of 10243120421102 is 20112402134201.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10243120421102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560780105274 + ... + 2560780105277.

It is an arithmetic number, because the mean of its divisors is an integer number (3841170157914).

Almost surely, 2^{10243120421102} is an apocalyptic number.

10243120421102 is a deficient number, since it is larger than the sum of its proper divisors (5121560210554).

10243120421102 is an equidigital number, since it uses as much as digits as its factorization.

10243120421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121560210553.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10243120421102 its reverse (20112402134201), we get a palindrome (30355522555303).

The spelling of 10243120421102 in words is "ten trillion, two hundred forty-three billion, one hundred twenty million, four hundred twenty-one thousand, one hundred two".