101021221103 has 8 divisors (see below), whose sum is σ = 110211185280. Its totient is φ = 91832293080.

The previous prime is 101021221079. The next prime is 101021221117. The reversal of 101021221103 is 301122120101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101021221103 - 2¹² = 101021217007 is a prime.

It is a super-2 number, since 2×101021221103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47675 + ... + 452012.

It is an arithmetic number, because the mean of its divisors is an integer number (13776398160).

Almost surely, 2^101021221103 is an apocalyptic number.

101021221103 is a deficient number, since it is larger than the sum of its proper divisors (9189964177).

101021221103 is a wasteful number, since it uses less digits than its factorization.

101021221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518077.

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

Adding to 101021221103 its reverse (301122120101), we get a palindrome (402143341204).

The spelling of 101021221103 in words is "one hundred one billion, twenty-one million, two hundred twenty-one thousand, one hundred three".