101010112221221 has 8 divisors (see below), whose sum is σ = 115440220917120. Its totient is φ = 86580026691408.

The previous prime is 101010112221173. The next prime is 101010112221229. The reversal of 101010112221221 is 122122211010101.

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 101010112221221 - 2²² = 101010108026917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101010112221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010112221229) 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, 4857200 + ... + 15020406.

It is an arithmetic number, because the mean of its divisors is an integer number (14430027614640).

Almost surely, 2^{101010112221221} is an apocalyptic number.

It is an amenable number.

101010112221221 is a deficient number, since it is larger than the sum of its proper divisors (14430108695899).

101010112221221 is a wasteful number, since it uses less digits than its factorization.

101010112221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583043.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101010112221221 its reverse (122122211010101), we get a palindrome (223132323231322).

The spelling of 101010112221221 in words is "one hundred one trillion, ten billion, one hundred twelve million, two hundred twenty-one thousand, two hundred twenty-one".