22001112120202 has 4 divisors (see below), whose sum is σ = 33001668180306. Its totient is φ = 11000556060100.

The previous prime is 22001112120187. The next prime is 22001112120233. The reversal of 22001112120202 is 20202121110022.

It is a happy number.

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., 21244088575161 + 757023545041 = 4609131^2 + 870071^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5500278030049 + ... + 5500278030052.

Almost surely, 2^{22001112120202} is an apocalyptic number.

22001112120202 is a deficient number, since it is larger than the sum of its proper divisors (11000556060104).

22001112120202 is a wasteful number, since it uses less digits than its factorization.

22001112120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000556060103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22001112120202 its reverse (20202121110022), we get a palindrome (42203233230224).

The spelling of 22001112120202 in words is "twenty-two trillion, one billion, one hundred twelve million, one hundred twenty thousand, two hundred two".