101210202221 has 8 divisors (see below), whose sum is σ = 103152601440. Its totient is φ = 99269016912.

The previous prime is 101210202209. The next prime is 101210202229. The reversal of 101210202221 is 122202012101.

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

It is a cyclic number.

It is not a de Polignac number, because 101210202221 - 2⁶ = 101210202157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210202196 and 101210202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210202229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134231 + ... + 469508.

It is an arithmetic number, because the mean of its divisors is an integer number (12894075180).

Almost surely, 2^101210202221 is an apocalyptic number.

It is an amenable number.

101210202221 is a deficient number, since it is larger than the sum of its proper divisors (1942399219).

101210202221 is an equidigital number, since it uses as much as digits as its factorization.

101210202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606955.

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

Adding to 101210202221 its reverse (122202012101), we get a palindrome (223412214322).

The spelling of 101210202221 in words is "one hundred one billion, two hundred ten million, two hundred two thousand, two hundred twenty-one".