1120022201221 has 64 divisors (see below), whose sum is σ = 1416564744192. Its totient is φ = 860256000000.

The previous prime is 1120022201219. The next prime is 1120022201227. The reversal of 1120022201221 is 1221022200211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120022201221 - 2¹ = 1120022201219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120022201195 and 1120022201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120022201227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1086344976 + ... + 1086346006.

It is an arithmetic number, because the mean of its divisors is an integer number (22133824128).

Almost surely, 2^{1120022201221} is an apocalyptic number.

1120022201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120022201221 is a deficient number, since it is larger than the sum of its proper divisors (296542542971).

1120022201221 is a wasteful number, since it uses less digits than its factorization.

1120022201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1120022201221 its reverse (1221022200211), we get a palindrome (2341044401432).

The spelling of 1120022201221 in words is "one trillion, one hundred twenty billion, twenty-two million, two hundred one thousand, two hundred twenty-one".