101012222218 has 4 divisors (see below), whose sum is σ = 151518333330. Its totient is φ = 50506111108.

The previous prime is 101012222189. The next prime is 101012222219. The reversal of 101012222218 is 812222210101.

101012222218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812222210101 = 43 ⋅18888888607.

It can be written as a sum of positive squares in only one way, i.e., 64644588009 + 36367634209 = 254253^2 + 190703^2 .

It is a super-2 number, since 2×101012222218² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101012222219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25253055553 + ... + 25253055556.

Almost surely, 2^101012222218 is an apocalyptic number.

101012222218 is a deficient number, since it is larger than the sum of its proper divisors (50506111112).

101012222218 is an equidigital number, since it uses as much as digits as its factorization.

101012222218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50506111111.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 101012222218 its reverse (812222210101), we get a palindrome (913234432319).

The spelling of 101012222218 in words is "one hundred one billion, twelve million, two hundred twenty-two thousand, two hundred eighteen".