10112209381 has 4 divisors (see below), whose sum is σ = 10113816492. Its totient is φ = 10110602272.

The previous prime is 10112209379. The next prime is 10112209391. The reversal of 10112209381 is 18390221101.

10112209381 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5008392900 + 5103816481 = 70770^2 + 71441^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112209381 - 2¹ = 10112209379 is a prime.

It is a super-2 number, since 2×10112209381² (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 (10112209391) 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 3 ways as a sum of consecutive naturals, for example, 794080 + ... + 806713.

It is an arithmetic number, because the mean of its divisors is an integer number (2528454123).

Almost surely, 2^10112209381 is an apocalyptic number.

It is an amenable number.

10112209381 is a deficient number, since it is larger than the sum of its proper divisors (1607111).

10112209381 is an equidigital number, since it uses as much as digits as its factorization.

10112209381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607110.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 10112209381 in words is "ten billion, one hundred twelve million, two hundred nine thousand, three hundred eighty-one".