10301231021221 has 16 divisors (see below), whose sum is σ = 11995702159104. Its totient is φ = 8662497053184.

The previous prime is 10301231021219. The next prime is 10301231021281. The reversal of 10301231021221 is 12212013210301.

It is a cyclic number.

It is not a de Polignac number, because 10301231021221 - 2¹ = 10301231021219 is a prime.

It is a super-2 number, since 2×10301231021221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10301231021281) 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, 5245056 + ... + 6936358.

It is an arithmetic number, because the mean of its divisors is an integer number (749731384944).

Almost surely, 2^{10301231021221} is an apocalyptic number.

It is an amenable number.

10301231021221 is a deficient number, since it is larger than the sum of its proper divisors (1694471137883).

10301231021221 is a wasteful number, since it uses less digits than its factorization.

10301231021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707780.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10301231021221 its reverse (12212013210301), we get a palindrome (22513244231522).

The spelling of 10301231021221 in words is "ten trillion, three hundred one billion, two hundred thirty-one million, twenty-one thousand, two hundred twenty-one".