221021012000103 has 32 divisors (see below), whose sum is σ = 337341491584512. Its totient is φ = 126092408832000.

The previous prime is 221021012000083. The next prime is 221021012000123. The reversal of 221021012000103 is 301000210120122.

It is an interprime number because it is at equal distance from previous prime (221021012000083) and next prime (221021012000123).

It is not a de Polignac number, because 221021012000103 - 2⁹ = 221021011999591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221021012000123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207454575 + ... + 208517247.

It is an arithmetic number, because the mean of its divisors is an integer number (10541921612016).

Almost surely, 2^{221021012000103} is an apocalyptic number.

221021012000103 is a deficient number, since it is larger than the sum of its proper divisors (116320479584409).

221021012000103 is a wasteful number, since it uses less digits than its factorization.

221021012000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078775.

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

Adding to 221021012000103 its reverse (301000210120122), we get a palindrome (522021222120225).

The spelling of 221021012000103 in words is "two hundred twenty-one trillion, twenty-one billion, twelve million, one hundred three", and thus it is an aban number.