10121211201211 has 4 divisors (see below), whose sum is σ = 11041321310424. Its totient is φ = 9201101092000.

The previous prime is 10121211201119. The next prime is 10121211201221. The reversal of 10121211201211 is 11210211212101.

10121211201211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10121211201211 - 2¹⁹ = 10121210676923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121211201221) 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, 460055054590 + ... + 460055054611.

It is an arithmetic number, because the mean of its divisors is an integer number (2760330327606).

Almost surely, 2^{10121211201211} is an apocalyptic number.

10121211201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10121211201211 is a deficient number, since it is larger than the sum of its proper divisors (920110109213).

10121211201211 is an equidigital number, since it uses as much as digits as its factorization.

10121211201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920110109212.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 10121211201211 its reverse (11210211212101), we get a palindrome (21331422413312).

The spelling of 10121211201211 in words is "ten trillion, one hundred twenty-one billion, two hundred eleven million, two hundred one thousand, two hundred eleven".