102000100012021 has 4 divisors (see below), whose sum is σ = 102266418811392. Its totient is φ = 101733781212652.

The previous prime is 102000100012001. The next prime is 102000100012051. The reversal of 102000100012021 is 120210001000201.

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 102000100012021 - 2²³ = 102000091623413 is a prime.

It is a super-3 number, since 3×102000100012021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102000100011989 and 102000100012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000100012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133159399111 + ... + 133159399876.

It is an arithmetic number, because the mean of its divisors is an integer number (25566604702848).

Almost surely, 2^{102000100012021} is an apocalyptic number.

It is an amenable number.

102000100012021 is a deficient number, since it is larger than the sum of its proper divisors (266318799371).

102000100012021 is an equidigital number, since it uses as much as digits as its factorization.

102000100012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266318799370.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102000100012021 its reverse (120210001000201), we get a palindrome (222210101012222).

The spelling of 102000100012021 in words is "one hundred two trillion, one hundred million, twelve thousand, twenty-one".