22210121001202 has 16 divisors (see below), whose sum is σ = 34687218172824. Its totient is φ = 10656595440000.

The previous prime is 22210121001143. The next prime is 22210121001223. The reversal of 22210121001202 is 20210012101222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6999723198601 + 15210397802601 = 2645699^2 + 3900051^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220119049 + ... + 2220129052.

Almost surely, 2^{22210121001202} is an apocalyptic number.

22210121001202 is a deficient number, since it is larger than the sum of its proper divisors (12477097171622).

22210121001202 is a wasteful number, since it uses less digits than its factorization.

22210121001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440248205.

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

Adding to 22210121001202 its reverse (20210012101222), we get a palindrome (42420133102424).

The spelling of 22210121001202 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty-one million, one thousand, two hundred two".