10211121122211 has 28 divisors (see below), whose sum is σ = 15569164307160. Its totient is φ = 6692034153600.

The previous prime is 10211121122179. The next prime is 10211121122269. The reversal of 10211121122211 is 11222112111201.

It is a happy number.

10211121122211 is a `hidden beast` number, since 1 + 0 + 211 + 121 + 122 + 211 = 666.

It is not a de Polignac number, because 10211121122211 - 2⁵ = 10211121122179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10211121122911) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 118660590 + ... + 118746611.

Almost surely, 2^{10211121122211} is an apocalyptic number.

10211121122211 is a deficient number, since it is larger than the sum of its proper divisors (5358043184949).

10211121122211 is an frugal number, since it uses more digits than its factorization.

10211121122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237407278 (or 237407263 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 10211121122211 its reverse (11222112111201), we get a palindrome (21433233233412).

The spelling of 10211121122211 in words is "ten trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred eleven".