11010121012 has 12 divisors (see below), whose sum is σ = 21019322016. Its totient is φ = 5004600440.

The previous prime is 11010120997. The next prime is 11010121019. The reversal of 11010121012 is 21012101011.

It is a self number, because there is not a number n which added to its sum of digits gives 11010121012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010121019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125114968 + ... + 125115055.

It is an arithmetic number, because the mean of its divisors is an integer number (1751610168).

Almost surely, 2^11010121012 is an apocalyptic number.

It is an amenable number.

11010121012 is a deficient number, since it is larger than the sum of its proper divisors (10009201004).

11010121012 is a wasteful number, since it uses less digits than its factorization.

11010121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250230038 (or 250230036 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11010121012 its reverse (21012101011), we get a palindrome (32022222023).

The spelling of 11010121012 in words is "eleven billion, ten million, one hundred twenty-one thousand, twelve".