1100011121010 has 320 divisors, whose sum is σ = 3239201332224. Its totient is φ = 266648371200.

The previous prime is 1100011121003. The next prime is 1100011121029. The reversal of 1100011121010 is 101211100011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1100011120983 and 1100011121001.

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 159 ways as a sum of consecutive naturals, for example, 243740514 + ... + 243745026.

Almost surely, 2^{1100011121010} is an apocalyptic number.

1100011121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100011121010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1619600666112).

1100011121010 is an abundant number, since it is smaller than the sum of its proper divisors (2139190211214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100011121010 is a wasteful number, since it uses less digits than its factorization.

1100011121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151 (or 5142 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1100011121010 its reverse (101211100011), we get a palindrome (1201222221021).

The spelling of 1100011121010 in words is "one trillion, one hundred billion, eleven million, one hundred twenty-one thousand, ten".