11012220121012 has 24 divisors (see below), whose sum is σ = 21023428692672. Its totient is φ = 5005530940800.

The previous prime is 11012220120997. The next prime is 11012220121027. The reversal of 11012220121012 is 21012102221011.

It is an interprime number because it is at equal distance from previous prime (11012220120997) and next prime (11012220121027).

It is a congruent number.

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, 11686993 + ... + 12594055.

It is an arithmetic number, because the mean of its divisors is an integer number (875976195528).

Almost surely, 2^{11012220121012} is an apocalyptic number.

It is an amenable number.

11012220121012 is a deficient number, since it is larger than the sum of its proper divisors (10011208571660).

11012220121012 is a wasteful number, since it uses less digits than its factorization.

11012220121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182999 (or 1182997 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11012220121012 its reverse (21012102221011), we get a palindrome (32024322342023).

The spelling of 11012220121012 in words is "eleven trillion, twelve billion, two hundred twenty million, one hundred twenty-one thousand, twelve".