1122000021211 has 4 divisors (see below), whose sum is σ = 1122004491624. Its totient is φ = 1121995550800.

The previous prime is 1122000021209. The next prime is 1122000021227. The reversal of 1122000021211 is 1121200002211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122000021211 - 2¹ = 1122000021209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122000021191 and 1122000021200.

It is not an unprimeable number, because it can be changed into a prime (1122000921211) 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, 1834825 + ... + 2368666.

It is an arithmetic number, because the mean of its divisors is an integer number (280501122906).

Almost surely, 2^{1122000021211} is an apocalyptic number.

1122000021211 is a deficient number, since it is larger than the sum of its proper divisors (4470413).

1122000021211 is an equidigital number, since it uses as much as digits as its factorization.

1122000021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470412.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1122000021211 its reverse (1121200002211), we get a palindrome (2243200023422).

The spelling of 1122000021211 in words is "one trillion, one hundred twenty-two billion, twenty-one thousand, two hundred eleven".