1122112112211 has 24 divisors (see below), whose sum is σ = 1624916614464. Its totient is φ = 746188673280.

The previous prime is 1122112112207. The next prime is 1122112112221.

It is a happy number.

1122112112211 is a `hidden beast` number, since 11 + 221 + 1 + 211 + 221 + 1 = 666.

1122112112211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1122112112211 - 2² = 1122112112207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122112112221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21218875 + ... + 21271691.

It is an arithmetic number, because the mean of its divisors is an integer number (67704858936).

Almost surely, 2^{1122112112211} is an apocalyptic number.

1122112112211 is a deficient number, since it is larger than the sum of its proper divisors (502804502253).

1122112112211 is a wasteful number, since it uses less digits than its factorization.

1122112112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58731 (or 58728 counting only the distinct ones).

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

The spelling of 1122112112211 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, two hundred eleven".