101210210221211 has 16 divisors (see below), whose sum is σ = 126272801801664. Its totient is φ = 78981443587584.

The previous prime is 101210210221199. The next prime is 101210210221283. The reversal of 101210210221211 is 112122012012101.

It is a cyclic number.

It is not a de Polignac number, because 101210210221211 - 2²⁶ = 101210143112347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101210210221211.

It is not an unprimeable number, because it can be changed into a prime (101210210221511) 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 15 ways as a sum of consecutive naturals, for example, 7617802346 + ... + 7617815631.

It is an arithmetic number, because the mean of its divisors is an integer number (7892050112604).

Almost surely, 2^{101210210221211} is an apocalyptic number.

101210210221211 is a deficient number, since it is larger than the sum of its proper divisors (25062591580453).

101210210221211 is a wasteful number, since it uses less digits than its factorization.

101210210221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235618070.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101210210221211 its reverse (112122012012101), we get a palindrome (213332222233312).

The spelling of 101210210221211 in words is "one hundred one trillion, two hundred ten billion, two hundred ten million, two hundred twenty-one thousand, two hundred eleven".