1123402213221 has 8 divisors (see below), whose sum is σ = 1534403023104. Its totient is φ = 730668106080.

The previous prime is 1123402213183. The next prime is 1123402213277. The reversal of 1123402213221 is 1223122043211.

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

It is not a de Polignac number, because 1123402213221 - 2¹⁰ = 1123402212197 is a prime.

It is a super-2 number, since 2×1123402213221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123402213191 and 1123402213200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123402213721) 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, 4566675541 + ... + 4566675786.

It is an arithmetic number, because the mean of its divisors is an integer number (191800377888).

Almost surely, 2^{1123402213221} is an apocalyptic number.

It is an amenable number.

1123402213221 is a deficient number, since it is larger than the sum of its proper divisors (411000809883).

1123402213221 is an equidigital number, since it uses as much as digits as its factorization.

1123402213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133351371.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1123402213221 its reverse (1223122043211), we get a palindrome (2346524256432).

The spelling of 1123402213221 in words is "one trillion, one hundred twenty-three billion, four hundred two million, two hundred thirteen thousand, two hundred twenty-one".