101043102021 has 4 divisors (see below), whose sum is σ = 134724136032. Its totient is φ = 67362068012.

The previous prime is 101043102007. The next prime is 101043102029. The reversal of 101043102021 is 120201340101.

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 101043102021 - 2⁷ = 101043101893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101043102029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16840517001 + ... + 16840517006.

It is an arithmetic number, because the mean of its divisors is an integer number (33681034008).

Almost surely, 2^101043102021 is an apocalyptic number.

It is an amenable number.

101043102021 is a deficient number, since it is larger than the sum of its proper divisors (33681034011).

101043102021 is an equidigital number, since it uses as much as digits as its factorization.

101043102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33681034010.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101043102021 its reverse (120201340101), we get a palindrome (221244442122).

The spelling of 101043102021 in words is "one hundred one billion, forty-three million, one hundred two thousand, twenty-one".