201020222021101 has 8 divisors (see below), whose sum is σ = 232645464907520. Its totient is φ = 170121996212688.

The previous prime is 201020222021081. The next prime is 201020222021117. The reversal of 201020222021101 is 101120222020102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201020222021101 - 2¹¹ = 201020222019053 is a prime.

It is a super-2 number, since 2×201020222021101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020222021131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181754268906 + ... + 181754270011.

It is an arithmetic number, because the mean of its divisors is an integer number (29080683113440).

Almost surely, 2^{201020222021101} is an apocalyptic number.

It is an amenable number.

201020222021101 is a deficient number, since it is larger than the sum of its proper divisors (31625242886419).

201020222021101 is an equidigital number, since it uses as much as digits as its factorization.

201020222021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363508539003.

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

Adding to 201020222021101 its reverse (101120222020102), we get a palindrome (302140444041203).

Subtracting from 201020222021101 its reverse (101120222020102), we obtain a palindrome (99900000000999).

The spelling of 201020222021101 in words is "two hundred one trillion, twenty billion, two hundred twenty-two million, twenty-one thousand, one hundred one".