111220201220012 has 12 divisors (see below), whose sum is σ = 200913911881536. Its totient is φ = 53816226396720.

The previous prime is 111220201219991. The next prime is 111220201220017. The reversal of 111220201220012 is 210022102022111.

It is not an unprimeable number, because it can be changed into a prime (111220201220017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448468553183 + ... + 448468553430.

It is an arithmetic number, because the mean of its divisors is an integer number (16742825990128).

Almost surely, 2^{111220201220012} is an apocalyptic number.

It is an amenable number.

111220201220012 is a deficient number, since it is larger than the sum of its proper divisors (89693710661524).

111220201220012 is a wasteful number, since it uses less digits than its factorization.

111220201220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896937106648 (or 896937106646 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111220201220012 its reverse (210022102022111), we get a palindrome (321242303242123).

The spelling of 111220201220012 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred one million, two hundred twenty thousand, twelve".