11221100122012 has 48 divisors (see below), whose sum is σ = 22551043737600. Its totient is φ = 4831738853760.

The previous prime is 11221100122007. The next prime is 11221100122039. The reversal of 11221100122012 is 21022100112211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12679608 + ... + 13535680.

It is an arithmetic number, because the mean of its divisors is an integer number (469813411200).

Almost surely, 2^{11221100122012} is an apocalyptic number.

It is an amenable number.

11221100122012 is an abundant number, since it is smaller than the sum of its proper divisors (11329943615588).

11221100122012 is a wasteful number, since it uses less digits than its factorization.

11221100122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871786 (or 871784 counting only the distinct ones).

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

Adding to 11221100122012 its reverse (21022100112211), we get a palindrome (32243200234223).

The spelling of 11221100122012 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, one hundred twenty-two thousand, twelve".