10222211121 has 4 divisors (see below), whose sum is σ = 13629614832. Its totient is φ = 6814807412.

The previous prime is 10222211117. The next prime is 10222211137. The reversal of 10222211121 is 12111222201.

10222211121 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10222211121 - 2² = 10222211117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10222211121.

It is not an unprimeable number, because it can be changed into a prime (10222211221) 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, 1703701851 + ... + 1703701856.

It is an arithmetic number, because the mean of its divisors is an integer number (3407403708).

Almost surely, 2^10222211121 is an apocalyptic number.

It is an amenable number.

10222211121 is a deficient number, since it is larger than the sum of its proper divisors (3407403711).

10222211121 is an equidigital number, since it uses as much as digits as its factorization.

10222211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407403710.

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

Adding to 10222211121 its reverse (12111222201), we get a palindrome (22333433322).

The spelling of 10222211121 in words is "ten billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".