211333300121 has 32 divisors (see below), whose sum is σ = 219239032320. Its totient is φ = 203619626496.

The previous prime is 211333300117. The next prime is 211333300147. The reversal of 211333300121 is 121003333112.

It is a cyclic number.

It is not a de Polignac number, because 211333300121 - 2² = 211333300117 is a prime.

It is a super-2 number, since 2×211333300121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211333300093 and 211333300102.

It is not an unprimeable number, because it can be changed into a prime (211333300151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481396820 + ... + 481397258.

It is an arithmetic number, because the mean of its divisors is an integer number (6851219760).

Almost surely, 2^211333300121 is an apocalyptic number.

It is an amenable number.

211333300121 is a deficient number, since it is larger than the sum of its proper divisors (7905732199).

211333300121 is a wasteful number, since it uses less digits than its factorization.

211333300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 211333300121 its reverse (121003333112), we get a palindrome (332336633233).

The spelling of 211333300121 in words is "two hundred eleven billion, three hundred thirty-three million, three hundred thousand, one hundred twenty-one".