101202043104021 has 4 divisors (see below), whose sum is σ = 134936057472032. Its totient is φ = 67468028736012.

The previous prime is 101202043104017. The next prime is 101202043104059. The reversal of 101202043104021 is 120401340202101.

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 not a de Polignac number, because 101202043104021 - 2² = 101202043104017 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 (101202043104061) 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, 16867007184001 + ... + 16867007184006.

It is an arithmetic number, because the mean of its divisors is an integer number (33734014368008).

Almost surely, 2^{101202043104021} is an apocalyptic number.

It is an amenable number.

101202043104021 is a deficient number, since it is larger than the sum of its proper divisors (33734014368011).

101202043104021 is an equidigital number, since it uses as much as digits as its factorization.

101202043104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33734014368010.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101202043104021 its reverse (120401340202101), we get a palindrome (221603383306122).

The spelling of 101202043104021 in words is "one hundred one trillion, two hundred two billion, forty-three million, one hundred four thousand, twenty-one".