1121222210211 has 6 divisors (see below), whose sum is σ = 1619543192540. Its totient is φ = 747481473468.

The previous prime is 1121222210209. The next prime is 1121222210221. The reversal of 1121222210211 is 1120122221211.

1121222210211 is a `hidden beast` number, since 1 + 1 + 21 + 222 + 210 + 211 = 666.

It is not a de Polignac number, because 1121222210211 - 2¹ = 1121222210209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121222210221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62290122781 + ... + 62290122798.

Almost surely, 2^{1121222210211} is an apocalyptic number.

1121222210211 is a deficient number, since it is larger than the sum of its proper divisors (498320982329).

1121222210211 is a wasteful number, since it uses less digits than its factorization.

1121222210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124580245585 (or 124580245582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1121222210211 its reverse (1120122221211), we get a palindrome (2241344431422).

The spelling of 1121222210211 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred ten thousand, two hundred eleven".