10100021113121 has 4 divisors (see below), whose sum is σ = 10103746686144. Its totient is φ = 10096295540100.

The previous prime is 10100021113087. The next prime is 10100021113157. The reversal of 10100021113121 is 12131112000101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10100021113121 - 2³⁰ = 10098947371297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100021113096 and 10100021113105.

It is not an unprimeable number, because it can be changed into a prime (10100021110121) 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, 1862782445 + ... + 1862787866.

It is an arithmetic number, because the mean of its divisors is an integer number (2525936671536).

Almost surely, 2^{10100021113121} is an apocalyptic number.

It is an amenable number.

10100021113121 is a deficient number, since it is larger than the sum of its proper divisors (3725573023).

10100021113121 is an equidigital number, since it uses as much as digits as its factorization.

10100021113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725573022.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10100021113121 its reverse (12131112000101), we get a palindrome (22231133113222).

The spelling of 10100021113121 in words is "ten trillion, one hundred billion, twenty-one million, one hundred thirteen thousand, one hundred twenty-one".