1101111222212 has 12 divisors (see below), whose sum is σ = 1926952139280. Its totient is φ = 550553468136.

The previous prime is 1101111222203. The next prime is 1101111222329. The reversal of 1101111222212 is 2122221111011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387463 + ... + 2031569.

It is an arithmetic number, because the mean of its divisors is an integer number (160579344940).

Almost surely, 2^{1101111222212} is an apocalyptic number.

It is an amenable number.

1101111222212 is a deficient number, since it is larger than the sum of its proper divisors (825840917068).

1101111222212 is a wasteful number, since it uses less digits than its factorization.

1101111222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071490 (or 1071488 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1101111222212 its reverse (2122221111011), we get a palindrome (3223332333223).

The spelling of 1101111222212 in words is "one trillion, one hundred one billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twelve".