1100121100012 has 24 divisors (see below), whose sum is σ = 2102195949840. Its totient is φ = 499587245760.

The previous prime is 1100121100003. The next prime is 1100121100027. The reversal of 1100121100012 is 2100011210011.

It is a super-2 number, since 2×1100121100012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11647423 + ... + 11741494.

It is an arithmetic number, because the mean of its divisors is an integer number (87591497910).

Almost surely, 2^{1100121100012} is an apocalyptic number.

It is an amenable number.

1100121100012 is a deficient number, since it is larger than the sum of its proper divisors (1002074849828).

1100121100012 is a wasteful number, since it uses less digits than its factorization.

1100121100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23390001 (or 23389999 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100121100012 its reverse (2100011210011), we get a palindrome (3200132310023).

The spelling of 1100121100012 in words is "one trillion, one hundred billion, one hundred twenty-one million, one hundred thousand, twelve".