211321010033 has 32 divisors (see below), whose sum is σ = 260004930048. Its totient is φ = 167620377600.

The previous prime is 211321010029. The next prime is 211321010081. The reversal of 211321010033 is 330010123112.

It is a cyclic number.

It is not a de Polignac number, because 211321010033 - 2² = 211321010029 is a prime.

It is a super-2 number, since 2×211321010033² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211321009993 and 211321010020.

It is not an unprimeable number, because it can be changed into a prime (211321010233) 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, 36052523 + ... + 36058383.

It is an arithmetic number, because the mean of its divisors is an integer number (8125154064).

Almost surely, 2^211321010033 is an apocalyptic number.

It is an amenable number.

211321010033 is a deficient number, since it is larger than the sum of its proper divisors (48683920015).

211321010033 is a wasteful number, since it uses less digits than its factorization.

211321010033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 211321010033 its reverse (330010123112), we get a palindrome (541331133145).

The spelling of 211321010033 in words is "two hundred eleven billion, three hundred twenty-one million, ten thousand, thirty-three".