1122002121211 has 4 divisors (see below), whose sum is σ = 1122023993400. Its totient is φ = 1121980249024.

The previous prime is 1122002121139. The next prime is 1122002121293. The reversal of 1122002121211 is 1121212002211.

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 1122002121211 - 2³¹ = 1119854637563 is a prime.

It is a super-2 number, since 2×1122002121211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122002181211) 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, 10858966 + ... + 10961803.

It is an arithmetic number, because the mean of its divisors is an integer number (280505998350).

Almost surely, 2^{1122002121211} is an apocalyptic number.

1122002121211 is a deficient number, since it is larger than the sum of its proper divisors (21872189).

1122002121211 is an equidigital number, since it uses as much as digits as its factorization.

1122002121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21872188.

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

Adding to 1122002121211 its reverse (1121212002211), we get a palindrome (2243214123422).

The spelling of 1122002121211 in words is "one trillion, one hundred twenty-two billion, two million, one hundred twenty-one thousand, two hundred eleven".