10010121018 has 16 divisors (see below), whose sum is σ = 20044577856. Its totient is φ = 3332651040.

The previous prime is 10010120963. The next prime is 10010121029. The reversal of 10010121018 is 81012101001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10010120988 and 10010121006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008643 + ... + 1018518.

It is an arithmetic number, because the mean of its divisors is an integer number (1252786116).

Almost surely, 2^10010121018 is an apocalyptic number.

10010121018 is an abundant number, since it is smaller than the sum of its proper divisors (10034456838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10010121018 is a wasteful number, since it uses less digits than its factorization.

10010121018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027989.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10010121018 its reverse (81012101001), we get a palindrome (91022222019).

The spelling of 10010121018 in words is "ten billion, ten million, one hundred twenty-one thousand, eighteen".