10221121012101 has 16 divisors (see below), whose sum is σ = 14354393423040. Its totient is φ = 6451412659200.

The previous prime is 10221121012093. The next prime is 10221121012127. The reversal of 10221121012101 is 10121012112201.

It is a happy number.

It is not a de Polignac number, because 10221121012101 - 2³ = 10221121012093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221121012171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55910590 + ... + 56093103.

It is an arithmetic number, because the mean of its divisors is an integer number (897149588940).

Almost surely, 2^{10221121012101} is an apocalyptic number.

It is an amenable number.

10221121012101 is a deficient number, since it is larger than the sum of its proper divisors (4133272410939).

10221121012101 is a wasteful number, since it uses less digits than its factorization.

10221121012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112005316.

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

Adding to 10221121012101 its reverse (10121012112201), we get a palindrome (20342133124302).

The spelling of 10221121012101 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, twelve thousand, one hundred one".