11121010012 has 18 divisors (see below), whose sum is σ = 22639199352. Its totient is φ = 4766147064.

The previous prime is 11121010009. The next prime is 11121010031. The reversal of 11121010012 is 21001012111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28369728 + ... + 28370119.

Almost surely, 2^11121010012 is an apocalyptic number.

It is an amenable number.

11121010012 is an abundant number, since it is smaller than the sum of its proper divisors (11518189340).

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

11121010012 is a wasteful number, since it uses less digits than its factorization.

11121010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56739865 (or 56739856 counting only the distinct ones).

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

Adding to 11121010012 its reverse (21001012111), we get a palindrome (32122022123).

The spelling of 11121010012 in words is "eleven billion, one hundred twenty-one million, ten thousand, twelve".