10211010220221 has 8 divisors (see below), whose sum is σ = 14415543840384. Its totient is φ = 6406908373440.

The previous prime is 10211010220211. The next prime is 10211010220249. The reversal of 10211010220221 is 12202201011201.

10211010220221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10211010220221 - 2¹⁰ = 10211010219197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10211010220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211010220211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100107943285 + ... + 100107943386.

It is an arithmetic number, because the mean of its divisors is an integer number (1801942980048).

Almost surely, 2^{10211010220221} is an apocalyptic number.

It is an amenable number.

10211010220221 is a deficient number, since it is larger than the sum of its proper divisors (4204533620163).

10211010220221 is a wasteful number, since it uses less digits than its factorization.

10211010220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200215886691.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10211010220221 its reverse (12202201011201), we get a palindrome (22413211231422).

The spelling of 10211010220221 in words is "ten trillion, two hundred eleven billion, ten million, two hundred twenty thousand, two hundred twenty-one".