1101232223212 has 48 divisors (see below), whose sum is σ = 2104513302528. Its totient is φ = 500045958720.

The previous prime is 1101232223159. The next prime is 1101232223227. The reversal of 1101232223212 is 2123222321011.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359056903 + ... + 359059969.

It is an arithmetic number, because the mean of its divisors is an integer number (43844027136).

Almost surely, 2^{1101232223212} is an apocalyptic number.

It is an amenable number.

1101232223212 is a deficient number, since it is larger than the sum of its proper divisors (1003281079316).

1101232223212 is a wasteful number, since it uses less digits than its factorization.

1101232223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806 (or 8804 counting only the distinct ones).

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

Adding to 1101232223212 its reverse (2123222321011), we get a palindrome (3224454544223).

The spelling of 1101232223212 in words is "one trillion, one hundred one billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred twelve".