1123212231102 has 32 divisors (see below), whose sum is σ = 2419310426400. Its totient is φ = 345591751680.

The previous prime is 1123212231073. The next prime is 1123212231103. The reversal of 1123212231102 is 2011322123211.

It is a super-2 number, since 2×1123212231102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123212231103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155702 + ... + 2625542.

It is an arithmetic number, because the mean of its divisors is an integer number (75603450825).

Almost surely, 2^{1123212231102} is an apocalyptic number.

1123212231102 is an abundant number, since it is smaller than the sum of its proper divisors (1296098195298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123212231102 is a wasteful number, since it uses less digits than its factorization.

1123212231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500508.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1123212231102 its reverse (2011322123211), we get a palindrome (3134534354313).

The spelling of 1123212231102 in words is "one trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, one hundred two".