11101010009890 has 16 divisors (see below), whose sum is σ = 19984395458808. Its totient is φ = 4439831239296.

The previous prime is 11101010009863. The next prime is 11101010009891. The reversal of 11101010009890 is 9890001010111.

It can be written as a sum of positive squares in 4 ways, for example, as 10915206769489 + 185803240401 = 3303817^2 + 431049^2 .

It is not an unprimeable number, because it can be changed into a prime (11101010009891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71514177 + ... + 71669236.

Almost surely, 2^{11101010009890} is an apocalyptic number.

11101010009890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101010009890 is a deficient number, since it is larger than the sum of its proper divisors (8883385448918).

11101010009890 is a wasteful number, since it uses less digits than its factorization.

11101010009890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143191173.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 11101010009890 in words is "eleven trillion, one hundred one billion, ten million, nine thousand, eight hundred ninety".