1121213223202 has 16 divisors (see below), whose sum is σ = 1741243323960. Its totient is φ = 540830553088.

The previous prime is 1121213223199. The next prime is 1121213223241. The reversal of 1121213223202 is 2023223121211.

It can be written as a sum of positive squares in 4 ways, for example, as 519190861401 + 602022361801 = 720549^2 + 775901^2 .

It is a super-2 number, since 2×1121213223202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7871593 + ... + 8012764.

Almost surely, 2^{1121213223202} is an apocalyptic number.

1121213223202 is a deficient number, since it is larger than the sum of its proper divisors (620030100758).

1121213223202 is a wasteful number, since it uses less digits than its factorization.

1121213223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15885605.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1121213223202 its reverse (2023223121211), we get a palindrome (3144436344413).

The spelling of 1121213223202 in words is "one trillion, one hundred twenty-one billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred two".