10091209101 has 4 divisors (see below), whose sum is σ = 13454945472. Its totient is φ = 6727472732.

The previous prime is 10091209057. The next prime is 10091209109. The reversal of 10091209101 is 10190219001.

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: 10190219001 = 3 ⋅3396739667.

It is a cyclic number.

It is not a de Polignac number, because 10091209101 - 2²³ = 10082820493 is a prime.

It is a super-2 number, since 2×10091209101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091209109) 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, 1681868181 + ... + 1681868186.

It is an arithmetic number, because the mean of its divisors is an integer number (3363736368).

Almost surely, 2^10091209101 is an apocalyptic number.

It is an amenable number.

10091209101 is a deficient number, since it is larger than the sum of its proper divisors (3363736371).

10091209101 is an equidigital number, since it uses as much as digits as its factorization.

10091209101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363736370.

The product of its (nonzero) digits is 162, while the sum is 24.

The spelling of 10091209101 in words is "ten billion, ninety-one million, two hundred nine thousand, one hundred one".