1112211002221 has 8 divisors (see below), whose sum is σ = 1225334174688. Its totient is φ = 1001090010000.

The previous prime is 1112211002213. The next prime is 1112211002237. The reversal of 1112211002221 is 1222001122111.

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 1112211002221 - 2³ = 1112211002213 is a prime.

It is a super-2 number, since 2×1112211002221² (a number of 25 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 = 1112211002195 and 1112211002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112211000221) 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, 500543895 + ... + 500546116.

It is an arithmetic number, because the mean of its divisors is an integer number (153166771836).

Almost surely, 2^{1112211002221} is an apocalyptic number.

1112211002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112211002221 is a deficient number, since it is larger than the sum of its proper divisors (113123172467).

1112211002221 is a wasteful number, since it uses less digits than its factorization.

1112211002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001090123.

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

Adding to 1112211002221 its reverse (1222001122111), we get a palindrome (2334212124332).

The spelling of 1112211002221 in words is "one trillion, one hundred twelve billion, two hundred eleven million, two thousand, two hundred twenty-one".