112210020101221 has 16 divisors (see below), whose sum is σ = 130859103830400. Its totient is φ = 96178593144480.

The previous prime is 112210020101219. The next prime is 112210020101269. The reversal of 112210020101221 is 122101020012211.

It is not a de Polignac number, because 112210020101221 - 2¹ = 112210020101219 is a prime.

It is a super-2 number, since 2×112210020101221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112210020101195 and 112210020101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210020101281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21110241 + ... + 25885561.

It is an arithmetic number, because the mean of its divisors is an integer number (8178693989400).

Almost surely, 2^{112210020101221} is an apocalyptic number.

It is an amenable number.

112210020101221 is a deficient number, since it is larger than the sum of its proper divisors (18649083729179).

112210020101221 is an frugal number, since it uses more digits than its factorization.

112210020101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843849 (or 4843835 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112210020101221 its reverse (122101020012211), we get a palindrome (234311040113432).

The spelling of 112210020101221 in words is "one hundred twelve trillion, two hundred ten billion, twenty million, one hundred one thousand, two hundred twenty-one".