221214010033 has 4 divisors (see below), whose sum is σ = 221249427520. Its totient is φ = 221178592548.

The previous prime is 221214010013. The next prime is 221214010037. The reversal of 221214010033 is 330010412122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221214010033 is a prime.

It is a super-2 number, since 2×221214010033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221214010037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17699373 + ... + 17711866.

It is an arithmetic number, because the mean of its divisors is an integer number (55312356880).

Almost surely, 2^221214010033 is an apocalyptic number.

It is an amenable number.

221214010033 is a deficient number, since it is larger than the sum of its proper divisors (35417487).

221214010033 is an equidigital number, since it uses as much as digits as its factorization.

221214010033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35417486.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221214010033 its reverse (330010412122), we get a palindrome (551224422155).

The spelling of 221214010033 in words is "two hundred twenty-one billion, two hundred fourteen million, ten thousand, thirty-three".