70222327121 has 4 divisors (see below), whose sum is σ = 72120227892. Its totient is φ = 68324426352.

The previous prime is 70222327103. The next prime is 70222327127. The reversal of 70222327121 is 12172322207.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12172322207 = 647 ⋅18813481.

It can be written as a sum of positive squares in 2 ways, for example, as 60142167121 + 10080160000 = 245239^2 + 100400^2 .

It is a cyclic number.

It is not a de Polignac number, because 70222327121 - 2¹⁸ = 70222064977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70222327127) 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 in 3 ways as a sum of consecutive naturals, for example, 948950330 + ... + 948950403.

It is an arithmetic number, because the mean of its divisors is an integer number (18030056973).

Almost surely, 2^70222327121 is an apocalyptic number.

It is an amenable number.

70222327121 is a deficient number, since it is larger than the sum of its proper divisors (1897900771).

70222327121 is a wasteful number, since it uses less digits than its factorization.

70222327121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897900770.

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 70222327121 its reverse (12172322207), we get a palindrome (82394649328).

The spelling of 70222327121 in words is "seventy billion, two hundred twenty-two million, three hundred twenty-seven thousand, one hundred twenty-one".