11121002011012 has 6 divisors (see below), whose sum is σ = 19461753519278. Its totient is φ = 5560501005504.

The previous prime is 11121002010959. The next prime is 11121002011027. The reversal of 11121002011012 is 21011020012111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8923089019716 + 2197912991296 = 2987154^2 + 1482536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11121002010983 and 11121002011001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390125251373 + ... + 1390125251380.

Almost surely, 2^{11121002011012} is an apocalyptic number.

It is an amenable number.

11121002011012 is a deficient number, since it is larger than the sum of its proper divisors (8340751508266).

11121002011012 is a wasteful number, since it uses less digits than its factorization.

11121002011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780250502757 (or 2780250502755 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121002011012 its reverse (21011020012111), we get a palindrome (32132022023123).

The spelling of 11121002011012 in words is "eleven trillion, one hundred twenty-one billion, two million, eleven thousand, twelve".