10101020211211 has 16 divisors (see below), whose sum is σ = 10770362671104. Its totient is φ = 9440248111744.

The previous prime is 10101020211197. The next prime is 10101020211241. The reversal of 10101020211211 is 11211202010101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10101020211211 - 2²¹ = 10101018114059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101020211191 and 10101020211200.

It is not an unprimeable number, because it can be changed into a prime (10101020211241) 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, 1939135 + ... + 4895128.

It is an arithmetic number, because the mean of its divisors is an integer number (673147666944).

Almost surely, 2^{10101020211211} is an apocalyptic number.

10101020211211 is a deficient number, since it is larger than the sum of its proper divisors (669342459893).

10101020211211 is a wasteful number, since it uses less digits than its factorization.

10101020211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834890.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101020211211 its reverse (11211202010101), we get a palindrome (21312222221312).

The spelling of 10101020211211 in words is "ten trillion, one hundred one billion, twenty million, two hundred eleven thousand, two hundred eleven".