112121221012202 has 4 divisors (see below), whose sum is σ = 168181831518306. Its totient is φ = 56060610506100.

The previous prime is 112121221012189. The next prime is 112121221012247. The reversal of 112121221012202 is 202210122121211.

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., 59886069254881 + 52235151757321 = 7738609^2 + 7227389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28030305253049 + ... + 28030305253052.

Almost surely, 2^{112121221012202} is an apocalyptic number.

112121221012202 is a deficient number, since it is larger than the sum of its proper divisors (56060610506104).

112121221012202 is an equidigital number, since it uses as much as digits as its factorization.

112121221012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56060610506103.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112121221012202 its reverse (202210122121211), we get a palindrome (314331343133413).

The spelling of 112121221012202 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty-one million, twelve thousand, two hundred two".