10145205550121 has 8 divisors (see below), whose sum is σ = 10184803137600. Its totient is φ = 10105652683440.

The previous prime is 10145205550069. The next prime is 10145205550153. The reversal of 10145205550121 is 12105550254101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10145205550121 - 2³⁸ = 9870327643177 is a prime.

It is a super-2 number, since 2×10145205550121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10145205550621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10725566 + ... + 11633063.

It is an arithmetic number, because the mean of its divisors is an integer number (1273100392200).

Almost surely, 2^{10145205550121} is an apocalyptic number.

It is an amenable number.

10145205550121 is a deficient number, since it is larger than the sum of its proper divisors (39597587479).

10145205550121 is a wasteful number, since it uses less digits than its factorization.

10145205550121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22360399.

The product of its (nonzero) digits is 10000, while the sum is 32.

The spelling of 10145205550121 in words is "ten trillion, one hundred forty-five billion, two hundred five million, five hundred fifty thousand, one hundred twenty-one".