10220111020018 has 8 divisors (see below), whose sum is σ = 15331780770012. Its totient is φ = 5109517430016.

The previous prime is 10220111019997. The next prime is 10220111020069. The reversal of 10220111020018 is 81002011102201.

It can be written as a sum of positive squares in 2 ways, for example, as 10213310213929 + 6800806089 = 3195827^2 + 82467^2 .

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

It is a super-2 number, since 2×10220111020018² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10220111019977 and 10220111020004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269016255 + ... + 269054242.

Almost surely, 2^{10220111020018} is an apocalyptic number.

10220111020018 is a deficient number, since it is larger than the sum of its proper divisors (5111669749994).

10220111020018 is an equidigital number, since it uses as much as digits as its factorization.

10220111020018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538079996.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10220111020018 its reverse (81002011102201), we get a palindrome (91222122122219).

The spelling of 10220111020018 in words is "ten trillion, two hundred twenty billion, one hundred eleven million, twenty thousand, eighteen".