10218181234922 has 4 divisors (see below), whose sum is σ = 15327271852386. Its totient is φ = 5109090617460.

The previous prime is 10218181234913. The next prime is 10218181234931. The reversal of 10218181234922 is 22943218181201.

It is a Cunningham number, because it is equal to 3196589²+1.

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

It is an interprime number because it is at equal distance from previous prime (10218181234913) and next prime (10218181234931).

It can be written as a sum of positive squares in only one way, i.e., 10218181234921 + 1 = 3196589^2 + 1^2 .

It is a super-2 number, since 2×10218181234922² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2554545308729 + ... + 2554545308732.

Almost surely, 2^{10218181234922} is an apocalyptic number.

10218181234922 is a deficient number, since it is larger than the sum of its proper divisors (5109090617464).

10218181234922 is an equidigital number, since it uses as much as digits as its factorization.

10218181234922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109090617463.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 10218181234922 in words is "ten trillion, two hundred eighteen billion, one hundred eighty-one million, two hundred thirty-four thousand, nine hundred twenty-two".