112021101022221 has 12 divisors (see below), whose sum is σ = 161810048537280. Its totient is φ = 74679907166280.

The previous prime is 112021101022219. The next prime is 112021101022267. The reversal of 112021101022221 is 122220101120211.

It is not a de Polignac number, because 112021101022221 - 2¹ = 112021101022219 is a prime.

It is a super-2 number, since 2×112021101022221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112021101022194 and 112021101022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021101022321) 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, 68045445 + ... + 69672266.

It is an arithmetic number, because the mean of its divisors is an integer number (13484170711440).

Almost surely, 2^{112021101022221} is an apocalyptic number.

It is an amenable number.

112021101022221 is a deficient number, since it is larger than the sum of its proper divisors (49788947515059).

112021101022221 is a wasteful number, since it uses less digits than its factorization.

112021101022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137808096 (or 137808093 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112021101022221 its reverse (122220101120211), we get a palindrome (234241202142432).

The spelling of 112021101022221 in words is "one hundred twelve trillion, twenty-one billion, one hundred one million, twenty-two thousand, two hundred twenty-one".