211220333013 has 8 divisors (see below), whose sum is σ = 289238654368. Its totient is φ = 137007783504.

The previous prime is 211220332943. The next prime is 211220333017. The reversal of 211220333013 is 310333022112.

211220333013 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 211220333013 - 2⁹ = 211220332501 is a prime.

It is a super-2 number, since 2×211220333013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220333017) 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, 951442831 + ... + 951443052.

It is an arithmetic number, because the mean of its divisors is an integer number (36154831796).

Almost surely, 2^211220333013 is an apocalyptic number.

It is an amenable number.

211220333013 is a deficient number, since it is larger than the sum of its proper divisors (78018321355).

211220333013 is a wasteful number, since it uses less digits than its factorization.

211220333013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902885923.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211220333013 its reverse (310333022112), we get a palindrome (521553355125).

The spelling of 211220333013 in words is "two hundred eleven billion, two hundred twenty million, three hundred thirty-three thousand, thirteen".