11122001211 has 8 divisors (see below), whose sum is σ = 14830105104. Its totient is φ = 7414282400.

The previous prime is 11122001201. The next prime is 11122001237. The reversal of 11122001211 is 11210022111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122001211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11122001201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20316 + ... + 150521.

It is an arithmetic number, because the mean of its divisors is an integer number (1853763138).

Almost surely, 2^11122001211 is an apocalyptic number.

11122001211 is a deficient number, since it is larger than the sum of its proper divisors (3708103893).

11122001211 is a wasteful number, since it uses less digits than its factorization.

11122001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192541.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11122001211 its reverse (11210022111), we get a palindrome (22332023322).

The spelling of 11122001211 in words is "eleven billion, one hundred twenty-two million, one thousand, two hundred eleven".