1011992199110 has 32 divisors (see below), whose sum is σ = 1825940551680. Its totient is φ = 403829438688.

The previous prime is 1011992199077. The next prime is 1011992199139. The reversal of 1011992199110 is 119912991101.

It is a super-2 number, since 2×1011992199110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60944069 + ... + 60960671.

It is an arithmetic number, because the mean of its divisors is an integer number (57060642240).

Almost surely, 2^{1011992199110} is an apocalyptic number.

1011992199110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011992199110 is a deficient number, since it is larger than the sum of its proper divisors (813948352570).

1011992199110 is a wasteful number, since it uses less digits than its factorization.

1011992199110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30812.

The product of its (nonzero) digits is 13122, while the sum is 44.

The spelling of 1011992199110 in words is "one trillion, eleven billion, nine hundred ninety-two million, one hundred ninety-nine thousand, one hundred ten".