101000002101121 has 4 divisors (see below), whose sum is σ = 101027470149972. Its totient is φ = 100972534052272.

The previous prime is 101000002101091. The next prime is 101000002101137. The reversal of 101000002101121 is 121101200000101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94151391610896 + 6848610490225 = 9703164^2 + 2616985^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000002101121 - 2¹⁹ = 101000001576833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101000002101098 and 101000002101107.

It is not an unprimeable number, because it can be changed into a prime (101000002101151) 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, 13734018910 + ... + 13734026263.

It is an arithmetic number, because the mean of its divisors is an integer number (25256867537493).

Almost surely, 2^{101000002101121} is an apocalyptic number.

It is an amenable number.

101000002101121 is a deficient number, since it is larger than the sum of its proper divisors (27468048851).

101000002101121 is an equidigital number, since it uses as much as digits as its factorization.

101000002101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27468048850.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101000002101121 its reverse (121101200000101), we get a palindrome (222101202101222).

The spelling of 101000002101121 in words is "one hundred one trillion, two million, one hundred one thousand, one hundred twenty-one".