10202101101211 has 4 divisors (see below), whose sum is σ = 10202117958424. Its totient is φ = 10202084244000.

The previous prime is 10202101101173. The next prime is 10202101101239. The reversal of 10202101101211 is 11210110120201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10202101101211 - 2¹¹ = 10202101099163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202101101191 and 10202101101200.

It is not an unprimeable number, because it can be changed into a prime (10202101201211) 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 3 ways as a sum of consecutive naturals, for example, 7485630 + ... + 8742931.

It is an arithmetic number, because the mean of its divisors is an integer number (2550529489606).

Almost surely, 2^{10202101101211} is an apocalyptic number.

10202101101211 is a deficient number, since it is larger than the sum of its proper divisors (16857213).

10202101101211 is an equidigital number, since it uses as much as digits as its factorization.

10202101101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857212.

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

Adding to 10202101101211 its reverse (11210110120201), we get a palindrome (21412211221412).

The spelling of 10202101101211 in words is "ten trillion, two hundred two billion, one hundred one million, one hundred one thousand, two hundred eleven".