19941101 has 4 divisors (see below), whose sum is σ = 20193600. Its totient is φ = 19688604.

The previous prime is 19941071. The next prime is 19941139. The reversal of 19941101 is 10114991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10114991 = 659 ⋅15349.

It is a cyclic number.

It is not a de Polignac number, because 19941101 - 2⁶ = 19941037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19941001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126131 + ... + 126288.

It is an arithmetic number, because the mean of its divisors is an integer number (5048400).

Almost surely, 2^19941101 is an apocalyptic number.

It is an amenable number.

19941101 is a deficient number, since it is larger than the sum of its proper divisors (252499).

19941101 is an equidigital number, since it uses as much as digits as its factorization.

19941101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252498.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 19941101 is about 4465.5459912535. The cubic root of 19941101 is about 271.1750388541.

The spelling of 19941101 in words is "nineteen million, nine hundred forty-one thousand, one hundred one".