1122200211211 has 4 divisors (see below), whose sum is σ = 1122618477112. Its totient is φ = 1121781945312.

The previous prime is 1122200211173. The next prime is 1122200211283. The reversal of 1122200211211 is 1121120022211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122200211211 is a prime.

It is a super-3 number, since 3×1122200211211³ (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 (1122200211611) 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, 209128926 + ... + 209134291.

It is an arithmetic number, because the mean of its divisors is an integer number (280654619278).

Almost surely, 2^{1122200211211} is an apocalyptic number.

1122200211211 is a deficient number, since it is larger than the sum of its proper divisors (418265901).

1122200211211 is an equidigital number, since it uses as much as digits as its factorization.

1122200211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418265900.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122200211211 its reverse (1121120022211), we get a palindrome (2243320233422).

The spelling of 1122200211211 in words is "one trillion, one hundred twenty-two billion, two hundred million, two hundred eleven thousand, two hundred eleven".