10121099 has 4 divisors (see below), whose sum is σ = 10155936. Its totient is φ = 10086264.

The previous prime is 10121093. The next prime is 10121107. The reversal of 10121099 is 99012101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121099 - 2⁸ = 10120843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121093) 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, 16979 + ... + 17564.

It is an arithmetic number, because the mean of its divisors is an integer number (2538984).

Almost surely, 2^10121099 is an apocalyptic number.

10121099 is a deficient number, since it is larger than the sum of its proper divisors (34837).

10121099 is an equidigital number, since it uses as much as digits as its factorization.

10121099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34836.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 10121099 is about 3181.3674732731. The cubic root of 10121099 is about 216.3096481965.

The spelling of 10121099 in words is "ten million, one hundred twenty-one thousand, ninety-nine".