10101022022221 has 16 divisors (see below), whose sum is σ = 11518892255808. Its totient is φ = 8774798227200.

The previous prime is 10101022022129. The next prime is 10101022022237. The reversal of 10101022022221 is 12222022010101.

It is a happy number.

It is not a de Polignac number, because 10101022022221 - 2⁹ = 10101022021709 is a prime.

It is a super-3 number, since 3×10101022022221³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101022022195 and 10101022022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101022022261) 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, 644466 + ... + 4540636.

It is an arithmetic number, because the mean of its divisors is an integer number (719930765988).

Almost surely, 2^{10101022022221} is an apocalyptic number.

It is an amenable number.

10101022022221 is a deficient number, since it is larger than the sum of its proper divisors (1417870233587).

10101022022221 is a wasteful number, since it uses less digits than its factorization.

10101022022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907932.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10101022022221 its reverse (12222022010101), we get a palindrome (22323044032322).

The spelling of 10101022022221 in words is "ten trillion, one hundred one billion, twenty-two million, twenty-two thousand, two hundred twenty-one".