211420233333 has 12 divisors (see below), whose sum is σ = 305395436268. Its totient is φ = 140941904640.

The previous prime is 211420233313. The next prime is 211420233361. The reversal of 211420233333 is 333332024112.

211420233333 is a `hidden beast` number, since 2 + 1 + 1 + 420 + 233 + 3 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 172862198289 + 38558035044 = 415767^2 + 196362^2 .

It is not a de Polignac number, because 211420233333 - 2⁸ = 211420233077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211420233297 and 211420233306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211420233313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127260 + ... + 662597.

It is an arithmetic number, because the mean of its divisors is an integer number (25449619689).

Almost surely, 2^211420233333 is an apocalyptic number.

It is an amenable number.

211420233333 is a deficient number, since it is larger than the sum of its proper divisors (93975202935).

211420233333 is a wasteful number, since it uses less digits than its factorization.

211420233333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819604 (or 819601 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 211420233333 its reverse (333332024112), we get a palindrome (544752257445).

The spelling of 211420233333 in words is "two hundred eleven billion, four hundred twenty million, two hundred thirty-three thousand, three hundred thirty-three".