70111220101 has 8 divisors (see below), whose sum is σ = 75513151224. Its totient is φ = 64710540480.

The previous prime is 70111220099. The next prime is 70111220143. The reversal of 70111220101 is 10102211107.

It can be written as a sum of positive squares in 4 ways, for example, as 2705560225 + 67405659876 = 52015^2 + 259626^2 .

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 70111220101 - 2¹ = 70111220099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70111229101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194866 + ... + 422131.

It is an arithmetic number, because the mean of its divisors is an integer number (9439143903).

Almost surely, 2^70111220101 is an apocalyptic number.

It is an amenable number.

70111220101 is a deficient number, since it is larger than the sum of its proper divisors (5401931123).

70111220101 is a wasteful number, since it uses less digits than its factorization.

70111220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625751.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 70111220101 its reverse (10102211107), we get a palindrome (80213431208).

The spelling of 70111220101 in words is "seventy billion, one hundred eleven million, two hundred twenty thousand, one hundred one".