1112022022221 has 40 divisors (see below), whose sum is σ = 1813843615584. Its totient is φ = 673335542880.

The previous prime is 1112022022219. The next prime is 1112022022229. The reversal of 1112022022221 is 1222202202111.

It is a happy number.

It is not a de Polignac number, because 1112022022221 - 2¹ = 1112022022219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112022022194 and 1112022022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112022022229) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 402930 + ... + 1544796.

Almost surely, 2^{1112022022221} is an apocalyptic number.

1112022022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112022022221 is a deficient number, since it is larger than the sum of its proper divisors (701821593363).

1112022022221 is a wasteful number, since it uses less digits than its factorization.

1112022022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142983 (or 1142974 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1112022022221 its reverse (1222202202111), we get a palindrome (2334224224332).

The spelling of 1112022022221 in words is "one trillion, one hundred twelve billion, twenty-two million, twenty-two thousand, two hundred twenty-one".