201111217070 has 8 divisors (see below), whose sum is σ = 362000190744. Its totient is φ = 80444486824.

The previous prime is 201111217051. The next prime is 201111217079. The reversal of 201111217070 is 70712111102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111217079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10055560844 + ... + 10055560863.

It is an arithmetic number, because the mean of its divisors is an integer number (45250023843).

Almost surely, 2^201111217070 is an apocalyptic number.

201111217070 is a deficient number, since it is larger than the sum of its proper divisors (160888973674).

201111217070 is a wasteful number, since it uses less digits than its factorization.

201111217070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111121714.

The product of its (nonzero) digits is 196, while the sum is 23.

Adding to 201111217070 its reverse (70712111102), we get a palindrome (271823328172).

The spelling of 201111217070 in words is "two hundred one billion, one hundred eleven million, two hundred seventeen thousand, seventy".