1120022212221 has 24 divisors (see below), whose sum is σ = 1764974633760. Its totient is φ = 678766284000.

The previous prime is 1120022212193. The next prime is 1120022212259. The reversal of 1120022212221 is 1222122200211.

It is a happy number.

1120022212221 is a `hidden beast` number, since 11 + 200 + 22 + 212 + 221 = 666.

It is not a de Polignac number, because 1120022212221 - 2⁵ = 1120022212189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120022212194 and 1120022212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120022212261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1702935 + ... + 2267163.

It is an arithmetic number, because the mean of its divisors is an integer number (73540609740).

Almost surely, 2^{1120022212221} is an apocalyptic number.

1120022212221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120022212221 is a deficient number, since it is larger than the sum of its proper divisors (644952421539).

1120022212221 is a wasteful number, since it uses less digits than its factorization.

1120022212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584297 (or 584294 counting only the distinct ones).

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

Adding to 1120022212221 its reverse (1222122200211), we get a palindrome (2342144412432).

The spelling of 1120022212221 in words is "one trillion, one hundred twenty billion, twenty-two million, two hundred twelve thousand, two hundred twenty-one".