211121121962 has 32 divisors (see below), whose sum is σ = 341172004800. Its totient is φ = 97658846208.

The previous prime is 211121121961. The next prime is 211121121971. The reversal of 211121121962 is 269121121112.

It is a happy number.

211121121962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211121121961) 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 15 ways as a sum of consecutive naturals, for example, 10344464 + ... + 10364852.

It is an arithmetic number, because the mean of its divisors is an integer number (10661625150).

Almost surely, 2^211121121962 is an apocalyptic number.

211121121962 is a deficient number, since it is larger than the sum of its proper divisors (130050882838).

211121121962 is a wasteful number, since it uses less digits than its factorization.

211121121962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26790.

The product of its digits is 864, while the sum is 29.

The spelling of 211121121962 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, nine hundred sixty-two".