10121351503445 has 32 divisors (see below), whose sum is σ = 14948679766272. Its totient is φ = 6406386619392.

The previous prime is 10121351503429. The next prime is 10121351503447. The reversal of 10121351503445 is 54430515312101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10121351503445 - 2⁴ = 10121351503429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121351503447) 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, 42666734 + ... + 42903296.

It is an arithmetic number, because the mean of its divisors is an integer number (467146242696).

Almost surely, 2^{10121351503445} is an apocalyptic number.

It is an amenable number.

10121351503445 is a deficient number, since it is larger than the sum of its proper divisors (4827328262827).

10121351503445 is a wasteful number, since it uses less digits than its factorization.

10121351503445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330621.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 10121351503445 its reverse (54430515312101), we get a palindrome (64551866815546).

The spelling of 10121351503445 in words is "ten trillion, one hundred twenty-one billion, three hundred fifty-one million, five hundred three thousand, four hundred forty-five".