111012221121202 has 32 divisors (see below), whose sum is σ = 170076548625984. Its totient is φ = 54325312392000.

The previous prime is 111012221121181. The next prime is 111012221121203. The reversal of 111012221121202 is 202121122210111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111012221121202.

It is not an unprimeable number, because it can be changed into a prime (111012221121203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85727952 + ... + 87013252.

It is an arithmetic number, because the mean of its divisors is an integer number (5314892144562).

Almost surely, 2^{111012221121202} is an apocalyptic number.

111012221121202 is a deficient number, since it is larger than the sum of its proper divisors (59064327504782).

111012221121202 is a wasteful number, since it uses less digits than its factorization.

111012221121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287354.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111012221121202 its reverse (202121122210111), we get a palindrome (313133343331313).

The spelling of 111012221121202 in words is "one hundred eleven trillion, twelve billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred two".