221022022021101 has 96 divisors (see below), whose sum is σ = 367912489771008. Its totient is φ = 125246004796800.

The previous prime is 221022022021093. The next prime is 221022022021127. The reversal of 221022022021101 is 101120220220122.

It is a happy number.

221022022021101 is a `hidden beast` number, since 2 + 2 + 10 + 220 + 220 + 211 + 0 + 1 = 666.

221022022021101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221022022021101 - 2³ = 221022022021093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022022021201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31516041271 + ... + 31516048283.

It is an arithmetic number, because the mean of its divisors is an integer number (3832421768448).

Almost surely, 2^{221022022021101} is an apocalyptic number.

221022022021101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221022022021101 is a deficient number, since it is larger than the sum of its proper divisors (146890467749907).

221022022021101 is a wasteful number, since it uses less digits than its factorization.

221022022021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13831 (or 13828 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221022022021101 its reverse (101120220220122), we get a palindrome (322142242241223).

The spelling of 221022022021101 in words is "two hundred twenty-one trillion, twenty-two billion, twenty-two million, twenty-one thousand, one hundred one".