1101122221012 has 24 divisors (see below), whose sum is σ = 2102169041280. Its totient is φ = 500503762560.

The previous prime is 1101122221009. The next prime is 1101122221019. The reversal of 1101122221012 is 2101222211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101122221019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6493813 + ... + 6661219.

It is an arithmetic number, because the mean of its divisors is an integer number (87590376720).

Almost surely, 2^{1101122221012} is an apocalyptic number.

It is an amenable number.

1101122221012 is a deficient number, since it is larger than the sum of its proper divisors (1001046820268).

1101122221012 is a wasteful number, since it uses less digits than its factorization.

1101122221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316911 (or 316909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1101122221012 its reverse (2101222211011), we get a palindrome (3202344432023).

The spelling of 1101122221012 in words is "one trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty-one thousand, twelve".