111202122002 has 4 divisors (see below), whose sum is σ = 166803183006. Its totient is φ = 55601061000.

The previous prime is 111202121993. The next prime is 111202122007. The reversal of 111202122002 is 200221202111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105228223321 + 5973898681 = 324389^2 + 77291^2 .

It is not an unprimeable number, because it can be changed into a prime (111202122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800530499 + ... + 27800530502.

Almost surely, 2^111202122002 is an apocalyptic number.

111202122002 is a deficient number, since it is larger than the sum of its proper divisors (55601061004).

111202122002 is an equidigital number, since it uses as much as digits as its factorization.

111202122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55601061003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111202122002 its reverse (200221202111), we get a palindrome (311423324113).

The spelling of 111202122002 in words is "one hundred eleven billion, two hundred two million, one hundred twenty-two thousand, two".