101222112121211 has 8 divisors (see below), whose sum is σ = 107176444731504. Its totient is φ = 95267789591040.

The previous prime is 101222112121189. The next prime is 101222112121219. The reversal of 101222112121211 is 112121211222101.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101222112121211 is a prime.

It is a super-2 number, since 2×101222112121211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101222112121219) 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 7 ways as a sum of consecutive naturals, for example, 30564131 + ... + 33713651.

It is an arithmetic number, because the mean of its divisors is an integer number (13397055591438).

Almost surely, 2^{101222112121211} is an apocalyptic number.

101222112121211 is a deficient number, since it is larger than the sum of its proper divisors (5954332610293).

101222112121211 is a wasteful number, since it uses less digits than its factorization.

101222112121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040061.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 101222112121211 its reverse (112121211222101), we get a palindrome (213343323343312).

The spelling of 101222112121211 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred eleven".