10121442423451 has 2 divisors, whose sum is σ = 10121442423452. Its totient is φ = 10121442423450.

The previous prime is 10121442423419. The next prime is 10121442423511. The reversal of 10121442423451 is 15432424412101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121442423451 - 2⁵ = 10121442423419 is a prime.

It is a super-4 number, since 4×10121442423451⁴ (a number of 53 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (10121442421451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060721211725 + 5060721211726.

It is an arithmetic number, because the mean of its divisors is an integer number (5060721211726).

Almost surely, 2^{10121442423451} is an apocalyptic number.

10121442423451 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121442423451 is an equidigital number, since it uses as much as digits as its factorization.

10121442423451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 10121442423451 its reverse (15432424412101), we get a palindrome (25553866835552).

The spelling of 10121442423451 in words is "ten trillion, one hundred twenty-one billion, four hundred forty-two million, four hundred twenty-three thousand, four hundred fifty-one".