1123202102221 has 8 divisors (see below), whose sum is σ = 1125807171840. Its totient is φ = 1120597805712.

The previous prime is 1123202102213. The next prime is 1123202102257. The reversal of 1123202102221 is 1222012023211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123202102221 - 2³ = 1123202102213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123202102821) 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, 2768256 + ... + 3147958.

It is an arithmetic number, because the mean of its divisors is an integer number (140725896480).

Almost surely, 2^{1123202102221} is an apocalyptic number.

It is an amenable number.

1123202102221 is a deficient number, since it is larger than the sum of its proper divisors (2605069619).

1123202102221 is an equidigital number, since it uses as much as digits as its factorization.

1123202102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386555.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1123202102221 its reverse (1222012023211), we get a palindrome (2345214125432).

The spelling of 1123202102221 in words is "one trillion, one hundred twenty-three billion, two hundred two million, one hundred two thousand, two hundred twenty-one".