102201113021 has 4 divisors (see below), whose sum is σ = 116801272032. Its totient is φ = 87600954012.

The previous prime is 102201112969. The next prime is 102201113051. The reversal of 102201113021 is 120311102201.

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 a de Polignac number, because none of the positive numbers 2^k-102201113021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102201112987 and 102201113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201113051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300079495 + ... + 7300079508.

It is an arithmetic number, because the mean of its divisors is an integer number (29200318008).

Almost surely, 2^102201113021 is an apocalyptic number.

It is an amenable number.

102201113021 is a deficient number, since it is larger than the sum of its proper divisors (14600159011).

102201113021 is an equidigital number, since it uses as much as digits as its factorization.

102201113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600159010.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102201113021 its reverse (120311102201), we get a palindrome (222512215222).

The spelling of 102201113021 in words is "one hundred two billion, two hundred one million, one hundred thirteen thousand, twenty-one".