10212232220291 has 4 divisors (see below), whose sum is σ = 10212305186952. Its totient is φ = 10212159253632.

The previous prime is 10212232220287. The next prime is 10212232220297. The reversal of 10212232220291 is 19202223221201.

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 10212232220291 - 2² = 10212232220287 is a prime.

It is a super-2 number, since 2×10212232220291² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212232220297) 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, 36272990 + ... + 36553443.

It is an arithmetic number, because the mean of its divisors is an integer number (2553076296738).

Almost surely, 2^{10212232220291} is an apocalyptic number.

10212232220291 is a deficient number, since it is larger than the sum of its proper divisors (72966661).

10212232220291 is an equidigital number, since it uses as much as digits as its factorization.

10212232220291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72966660.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 10212232220291 its reverse (19202223221201), we get a palindrome (29414455441492).

The spelling of 10212232220291 in words is "ten trillion, two hundred twelve billion, two hundred thirty-two million, two hundred twenty thousand, two hundred ninety-one".