111220120101002 has 64 divisors (see below), whose sum is σ = 186637508684928. Its totient is φ = 49268144640000.

The previous prime is 111220120101001. The next prime is 111220120101037. The reversal of 111220120101002 is 200101021022111.

It is not an unprimeable number, because it can be changed into a prime (111220120101001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4244543633 + ... + 4244569835.

It is an arithmetic number, because the mean of its divisors is an integer number (2916211073202).

Almost surely, 2^{111220120101002} is an apocalyptic number.

111220120101002 is a deficient number, since it is larger than the sum of its proper divisors (75417388583926).

111220120101002 is a wasteful number, since it uses less digits than its factorization.

111220120101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31175.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111220120101002 its reverse (200101021022111), we get a palindrome (311321141123113).

The spelling of 111220120101002 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred one thousand, two".