211321121108 has 24 divisors (see below), whose sum is σ = 370209840000. Its totient is φ = 105546937248.

The previous prime is 211321121107. The next prime is 211321121131. The reversal of 211321121108 is 801121123112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211321121101) 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, 30328241 + ... + 30335207.

It is an arithmetic number, because the mean of its divisors is an integer number (15425410000).

Almost surely, 2^211321121108 is an apocalyptic number.

It is an amenable number.

211321121108 is a deficient number, since it is larger than the sum of its proper divisors (158888718892).

211321121108 is a wasteful number, since it uses less digits than its factorization.

211321121108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14039 (or 14037 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 23.

The spelling of 211321121108 in words is "two hundred eleven billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred eight".