101202210221 has 12 divisors (see below), whose sum is σ = 118239116220. Its totient is φ = 86365944000.

The previous prime is 101202210209. The next prime is 101202210251. The reversal of 101202210221 is 122012202101.

It can be written as a sum of positive squares in 2 ways, for example, as 88464604900 + 12737605321 = 297430^2 + 112861^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101202210221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101202210196 and 101202210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202210251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4498280 + ... + 4520721.

It is an arithmetic number, because the mean of its divisors is an integer number (9853259685).

Almost surely, 2^101202210221 is an apocalyptic number.

It is an amenable number.

101202210221 is a deficient number, since it is larger than the sum of its proper divisors (17036905999).

101202210221 is an equidigital number, since it uses as much as digits as its factorization.

101202210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019244 (or 9019237 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101202210221 its reverse (122012202101), we get a palindrome (223214412322).

The spelling of 101202210221 in words is "one hundred one billion, two hundred two million, two hundred ten thousand, two hundred twenty-one".