10221021102121 has 32 divisors (see below), whose sum is σ = 11199270988800. Its totient is φ = 9296589931200.

The previous prime is 10221021102077. The next prime is 10221021102151. The reversal of 10221021102121 is 12120112012201.

It is not a de Polignac number, because 10221021102121 - 2¹⁵ = 10221021069353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10221021102095 and 10221021102104.

It is not an unprimeable number, because it can be changed into a prime (10221021102151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9686190 + ... + 10689448.

It is an arithmetic number, because the mean of its divisors is an integer number (349977218400).

Almost surely, 2^{10221021102121} is an apocalyptic number.

It is an amenable number.

10221021102121 is a deficient number, since it is larger than the sum of its proper divisors (978249886679).

10221021102121 is a wasteful number, since it uses less digits than its factorization.

10221021102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003549.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10221021102121 its reverse (12120112012201), we get a palindrome (22341133114322).

The spelling of 10221021102121 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, one hundred two thousand, one hundred twenty-one".