1101122222212 has 24 divisors (see below), whose sum is σ = 1932067811520. Its totient is φ = 549104737440.

The previous prime is 1101122222143. The next prime is 1101122222237. The reversal of 1101122222212 is 2122222211011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101122222212.

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, 2102662 + ... + 2573602.

It is an arithmetic number, because the mean of its divisors is an integer number (80502825480).

Almost surely, 2^{1101122222212} is an apocalyptic number.

It is an amenable number.

1101122222212 is a deficient number, since it is larger than the sum of its proper divisors (830945589308).

1101122222212 is a wasteful number, since it uses less digits than its factorization.

1101122222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472491 (or 472489 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1101122222212 its reverse (2122222211011), we get a palindrome (3223344433223).

The spelling of 1101122222212 in words is "one trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twelve".