22235012700121 has 4 divisors (see below), whose sum is σ = 23945398292452. Its totient is φ = 20524627107792.

The previous prime is 22235012700119. The next prime is 22235012700133. The reversal of 22235012700121 is 12100721053222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3146327416521 + 19088685283600 = 1773789^2 + 4369060^2 .

It is a cyclic number.

It is not a de Polignac number, because 22235012700121 - 2¹ = 22235012700119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22235012700121.

It is not an unprimeable number, because it can be changed into a prime (22235012730121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 855192796146 + ... + 855192796171.

It is an arithmetic number, because the mean of its divisors is an integer number (5986349573113).

Almost surely, 2^{22235012700121} is an apocalyptic number.

It is an amenable number.

22235012700121 is a deficient number, since it is larger than the sum of its proper divisors (1710385592331).

22235012700121 is a wasteful number, since it uses less digits than its factorization.

22235012700121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710385592330.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 22235012700121 its reverse (12100721053222), we get a palindrome (34335733753343).

The spelling of 22235012700121 in words is "twenty-two trillion, two hundred thirty-five billion, twelve million, seven hundred thousand, one hundred twenty-one".