10212210111211 has 4 divisors (see below), whose sum is σ = 10223801724024. Its totient is φ = 10200618498400.

The previous prime is 10212210111179. The next prime is 10212210111223. The reversal of 10212210111211 is 11211101221201.

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 10212210111211 - 2⁵ = 10212210111179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212220111211) 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, 5795805085 + ... + 5795806846.

It is an arithmetic number, because the mean of its divisors is an integer number (2555950431006).

Almost surely, 2^{10212210111211} is an apocalyptic number.

10212210111211 is a deficient number, since it is larger than the sum of its proper divisors (11591612813).

10212210111211 is an equidigital number, since it uses as much as digits as its factorization.

10212210111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11591612812.

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

Adding to 10212210111211 its reverse (11211101221201), we get a palindrome (21423311332412).

The spelling of 10212210111211 in words is "ten trillion, two hundred twelve billion, two hundred ten million, one hundred eleven thousand, two hundred eleven".