10221110121 has 8 divisors (see below), whose sum is σ = 13718400064. Its totient is φ = 6768946800.

The previous prime is 10221110101. The next prime is 10221110143. The reversal of 10221110121 is 12101112201.

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

It is not a de Polignac number, because 10221110121 - 2¹⁰ = 10221109097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221110097 and 10221110106.

It is not an unprimeable number, because it can be changed into a prime (10221110101) 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, 11281126 + ... + 11282031.

It is an arithmetic number, because the mean of its divisors is an integer number (1714800008).

Almost surely, 2^10221110121 is an apocalyptic number.

It is an amenable number.

10221110121 is a deficient number, since it is larger than the sum of its proper divisors (3497289943).

10221110121 is a wasteful number, since it uses less digits than its factorization.

10221110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22563311.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10221110121 its reverse (12101112201), we get a palindrome (22322222322).

The spelling of 10221110121 in words is "ten billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-one".