1122223200221 has 8 divisors (see below), whose sum is σ = 1181309272320. Its totient is φ = 1063139297472.

The previous prime is 1122223200209. The next prime is 1122223200229. The reversal of 1122223200221 is 1220023222211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122223200221 is a prime.

It is a super-2 number, since 2×1122223200221² (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 = 1122223200193 and 1122223200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122223200229) 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, 578981 + ... + 1606133.

It is an arithmetic number, because the mean of its divisors is an integer number (147663659040).

Almost surely, 2^{1122223200221} is an apocalyptic number.

It is an amenable number.

1122223200221 is a deficient number, since it is larger than the sum of its proper divisors (59086072099).

1122223200221 is a wasteful number, since it uses less digits than its factorization.

1122223200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084675.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1122223200221 its reverse (1220023222211), we get a palindrome (2342246422432).

The spelling of 1122223200221 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-three million, two hundred thousand, two hundred twenty-one".