211122212001 has 8 divisors (see below), whose sum is σ = 281615016864. Its totient is φ = 140688774240.

The previous prime is 211122211987. The next prime is 211122212069. The reversal of 211122212001 is 100212221112.

211122212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211122212001 - 2³⁵ = 176762473633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211122222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14833476 + ... + 14847701.

It is an arithmetic number, because the mean of its divisors is an integer number (35201877108).

Almost surely, 2^211122212001 is an apocalyptic number.

It is an amenable number.

211122212001 is a deficient number, since it is larger than the sum of its proper divisors (70492804863).

211122212001 is a wasteful number, since it uses less digits than its factorization.

211122212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29683551.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211122212001 its reverse (100212221112), we get a palindrome (311334433113).

The spelling of 211122212001 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred twelve thousand, one".