10221100211121 has 8 divisors (see below), whose sum is σ = 13628152967424. Its totient is φ = 6814057131120.

The previous prime is 10221100211117. The next prime is 10221100211171. The reversal of 10221100211121 is 12111200112201.

It is a happy number.

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

It is not a de Polignac number, because 10221100211121 - 2² = 10221100211117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221100211121.

It is not an unprimeable number, because it can be changed into a prime (10221100211171) 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, 575040 + ... + 4557726.

It is an arithmetic number, because the mean of its divisors is an integer number (1703519120928).

Almost surely, 2^{10221100211121} is an apocalyptic number.

It is an amenable number.

10221100211121 is a deficient number, since it is larger than the sum of its proper divisors (3407052756303).

10221100211121 is an equidigital number, since it uses as much as digits as its factorization.

10221100211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838151.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10221100211121 its reverse (12111200112201), we get a palindrome (22332300323322).

The spelling of 10221100211121 in words is "ten trillion, two hundred twenty-one billion, one hundred million, two hundred eleven thousand, one hundred twenty-one".