10262121109 has 8 divisors (see below), whose sum is σ = 10326230208. Its totient is φ = 10198044000.

The previous prime is 10262121101. The next prime is 10262121139. The reversal of 10262121109 is 90112126201.

It is a happy number.

10262121109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10262121109 - 2³ = 10262121101 is a prime.

It is a super-2 number, since 2×10262121109² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10262121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135609 + ... + 1144609.

It is an arithmetic number, because the mean of its divisors is an integer number (1290778776).

Almost surely, 2^10262121109 is an apocalyptic number.

It is an amenable number.

10262121109 is a deficient number, since it is larger than the sum of its proper divisors (64109099).

10262121109 is an equidigital number, since it uses as much as digits as its factorization.

10262121109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15995.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 10262121109 in words is "ten billion, two hundred sixty-two million, one hundred twenty-one thousand, one hundred nine".