211530252421033 has 16 divisors (see below), whose sum is σ = 260346091291776. Its totient is φ = 167363846242560.

The previous prime is 211530252421001. The next prime is 211530252421057. The reversal of 211530252421033 is 330124252035112.

It is a cyclic number.

It is not a de Polignac number, because 211530252421033 - 2⁵ = 211530252421001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211530252421033.

It is not an unprimeable number, because it can be changed into a prime (211530252421933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15700593 + ... + 25876033.

It is an arithmetic number, because the mean of its divisors is an integer number (16271630705736).

Almost surely, 2^{211530252421033} is an apocalyptic number.

It is an amenable number.

211530252421033 is a deficient number, since it is larger than the sum of its proper divisors (48815838870743).

211530252421033 is a wasteful number, since it uses less digits than its factorization.

211530252421033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403904.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 211530252421033 in words is "two hundred eleven trillion, five hundred thirty billion, two hundred fifty-two million, four hundred twenty-one thousand, thirty-three".