101210221003 has 6 divisors (see below), whose sum is σ = 106817435844. Its totient is φ = 95883366924.

The previous prime is 101210220941. The next prime is 101210221019. The reversal of 101210221003 is 300122012101.

It is not a de Polignac number, because 101210221003 - 2¹³ = 101210212811 is a prime.

It is a super-2 number, since 2×101210221003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101210221603) 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 5 ways as a sum of consecutive naturals, for example, 140180001 + ... + 140180722.

It is an arithmetic number, because the mean of its divisors is an integer number (17802905974).

Almost surely, 2^101210221003 is an apocalyptic number.

101210221003 is a deficient number, since it is larger than the sum of its proper divisors (5607214841).

101210221003 is an equidigital number, since it uses as much as digits as its factorization.

101210221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280360761 (or 280360742 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101210221003 its reverse (300122012101), we get a palindrome (401332233104).

The spelling of 101210221003 in words is "one hundred one billion, two hundred ten million, two hundred twenty-one thousand, three".