10209942991100 has 36 divisors (see below), whose sum is σ = 22156353131808. Its totient is φ = 4083834000000.

The previous prime is 10209942991081. The next prime is 10209942991109. The reversal of 10209942991100 is 119924990201.

It is a super-3 number, since 3×10209942991100³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10209942991109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099520 + ... + 4650680.

Almost surely, 2^{10209942991100} is an apocalyptic number.

10209942991100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10209942991100 is an abundant number, since it is smaller than the sum of its proper divisors (11946410140708).

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

10209942991100 is a wasteful number, since it uses less digits than its factorization.

10209942991100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579926 (or 3579919 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 10209942991100 in words is "ten trillion, two hundred nine billion, nine hundred forty-two million, nine hundred ninety-one thousand, one hundred".