70102001222221 has 4 divisors (see below), whose sum is σ = 70102049151232. Its totient is φ = 70101953293212.

The previous prime is 70102001222203. The next prime is 70102001222233. The reversal of 70102001222221 is 12222210020107.

70102001222221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70102001222221 - 2⁹ = 70102001221709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70102001222192 and 70102001222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70102001222021) 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, 21699195 + ... + 24719608.

It is an arithmetic number, because the mean of its divisors is an integer number (17525512287808).

Almost surely, 2^{70102001222221} is an apocalyptic number.

It is an amenable number.

70102001222221 is a deficient number, since it is larger than the sum of its proper divisors (47929011).

70102001222221 is a wasteful number, since it uses less digits than its factorization.

70102001222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47929010.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 70102001222221 its reverse (12222210020107), we get a palindrome (82324211242328).

The spelling of 70102001222221 in words is "seventy trillion, one hundred two billion, one million, two hundred twenty-two thousand, two hundred twenty-one".