221012051035 has 4 divisors (see below), whose sum is σ = 265214461248. Its totient is φ = 176809640824.

The previous prime is 221012051033. The next prime is 221012051077. The reversal of 221012051035 is 530150210122.

221012051035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221012051035 - 2¹ = 221012051033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221012050997 and 221012051015.

It is not an unprimeable number, because it can be changed into a prime (221012051033) 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 3 ways as a sum of consecutive naturals, for example, 22101205099 + ... + 22101205108.

It is an arithmetic number, because the mean of its divisors is an integer number (66303615312).

Almost surely, 2^221012051035 is an apocalyptic number.

221012051035 is a deficient number, since it is larger than the sum of its proper divisors (44202410213).

221012051035 is an equidigital number, since it uses as much as digits as its factorization.

221012051035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44202410212.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 221012051035 its reverse (530150210122), we get a palindrome (751162261157).

The spelling of 221012051035 in words is "two hundred twenty-one billion, twelve million, fifty-one thousand, thirty-five".