70021212211 has 8 divisors (see below), whose sum is σ = 74772374400. Its totient is φ = 65425825920.

The previous prime is 70021212203. The next prime is 70021212253. The reversal of 70021212211 is 11221212007.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70021212211 - 2³ = 70021212203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70021210211) 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 7 ways as a sum of consecutive naturals, for example, 38943046 + ... + 38944843.

It is an arithmetic number, because the mean of its divisors is an integer number (9346546800).

Almost surely, 2^70021212211 is an apocalyptic number.

70021212211 is a deficient number, since it is larger than the sum of its proper divisors (4751162189).

70021212211 is a wasteful number, since it uses less digits than its factorization.

70021212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77887949.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 70021212211 its reverse (11221212007), we get a palindrome (81242424218).

The spelling of 70021212211 in words is "seventy billion, twenty-one million, two hundred twelve thousand, two hundred eleven".