11220121213012 has 24 divisors (see below), whose sum is σ = 19970006807520. Its totient is φ = 5515205448480.

The previous prime is 11220121212991. The next prime is 11220121213013. The reversal of 11220121213012 is 21031212102211.

It is a super-2 number, since 2×11220121213012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220121213013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100002087 + ... + 100114222.

It is an arithmetic number, because the mean of its divisors is an integer number (832083616980).

Almost surely, 2^{11220121213012} is an apocalyptic number.

It is an amenable number.

11220121213012 is a deficient number, since it is larger than the sum of its proper divisors (8749885594508).

11220121213012 is a wasteful number, since it uses less digits than its factorization.

11220121213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200116551 (or 200116549 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11220121213012 its reverse (21031212102211), we get a palindrome (32251333315223).

The spelling of 11220121213012 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thirteen thousand, twelve".