1122102002221 has 4 divisors (see below), whose sum is σ = 1122124739200. Its totient is φ = 1122079265244.

The previous prime is 1122102002213. The next prime is 1122102002233. The reversal of 1122102002221 is 1222002012211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1122102002221 - 2³ = 1122102002213 is a prime.

It is a super-2 number, since 2×1122102002221² (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 = 1122102002195 and 1122102002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122102003221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11294301 + ... + 11393218.

It is an arithmetic number, because the mean of its divisors is an integer number (280531184800).

Almost surely, 2^{1122102002221} is an apocalyptic number.

It is an amenable number.

1122102002221 is a deficient number, since it is larger than the sum of its proper divisors (22736979).

1122102002221 is an equidigital number, since it uses as much as digits as its factorization.

1122102002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22736978.

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

Adding to 1122102002221 its reverse (1222002012211), we get a palindrome (2344104014432).

The spelling of 1122102002221 in words is "one trillion, one hundred twenty-two billion, one hundred two million, two thousand, two hundred twenty-one".