101210010112221 has 4 divisors (see below), whose sum is σ = 134946680149632. Its totient is φ = 67473340074812.

The previous prime is 101210010112201. The next prime is 101210010112259. The reversal of 101210010112221 is 122211010012101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101210010112221 - 2¹³ = 101210010104029 is a prime.

It is a super-2 number, since 2×101210010112221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101210010112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210010112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16868335018701 + ... + 16868335018706.

It is an arithmetic number, because the mean of its divisors is an integer number (33736670037408).

Almost surely, 2^{101210010112221} is an apocalyptic number.

It is an amenable number.

101210010112221 is a deficient number, since it is larger than the sum of its proper divisors (33736670037411).

101210010112221 is an equidigital number, since it uses as much as digits as its factorization.

101210010112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33736670037410.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101210010112221 its reverse (122211010012101), we get a palindrome (223421020124322).

The spelling of 101210010112221 in words is "one hundred one trillion, two hundred ten billion, ten million, one hundred twelve thousand, two hundred twenty-one".