1122212122211 has 24 divisors (see below), whose sum is σ = 1165479975744. Its totient is φ = 1079892000000.

The previous prime is 1122212122159. The next prime is 1122212122217.

1122212122211 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-1122212122211 is a prime.

It is a super-3 number, since 3×1122212122211³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122212122217) 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, 113338361 + ... + 113348261.

It is an arithmetic number, because the mean of its divisors is an integer number (48561665656).

Almost surely, 2^{1122212122211} is an apocalyptic number.

1122212122211 is a deficient number, since it is larger than the sum of its proper divisors (43267853533).

1122212122211 is an equidigital number, since it uses as much as digits as its factorization.

1122212122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415 (or 10314 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

The spelling of 1122212122211 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred eleven".