10201002121103 has 4 divisors (see below), whose sum is σ = 10449807050928. Its totient is φ = 9952197191280.

The previous prime is 10201002121091. The next prime is 10201002121159. The reversal of 10201002121103 is 30112120010201.

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

It is a cyclic number.

It is not a de Polignac number, because 10201002121103 - 2¹⁸ = 10201001858959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201005121103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124402464851 + ... + 124402464932.

It is an arithmetic number, because the mean of its divisors is an integer number (2612451762732).

Almost surely, 2^{10201002121103} is an apocalyptic number.

10201002121103 is a deficient number, since it is larger than the sum of its proper divisors (248804929825).

10201002121103 is an equidigital number, since it uses as much as digits as its factorization.

10201002121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248804929824.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10201002121103 its reverse (30112120010201), we get a palindrome (40313122131304).

The spelling of 10201002121103 in words is "ten trillion, two hundred one billion, two million, one hundred twenty-one thousand, one hundred three".