1121000202223 has 32 divisors (see below), whose sum is σ = 1272656286720. Its totient is φ = 978061392000.

The previous prime is 1121000202209. The next prime is 1121000202229. The reversal of 1121000202223 is 3222020001211.

It is a happy number.

It is not a de Polignac number, because 1121000202223 - 2²⁵ = 1120966647791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121000202197 and 1121000202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121000202229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209647636 + ... + 209652982.

It is an arithmetic number, because the mean of its divisors is an integer number (39770508960).

Almost surely, 2^{1121000202223} is an apocalyptic number.

1121000202223 is a deficient number, since it is larger than the sum of its proper divisors (151656084497).

1121000202223 is a wasteful number, since it uses less digits than its factorization.

1121000202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9199.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1121000202223 its reverse (3222020001211), we get a palindrome (4343020203434).

The spelling of 1121000202223 in words is "one trillion, one hundred twenty-one billion, two hundred two thousand, two hundred twenty-three".