201011222221101 has 24 divisors (see below), whose sum is σ = 304084450129824. Its totient is φ = 132680674717200.

The previous prime is 201011222221087. The next prime is 201011222221261. The reversal of 201011222221101 is 101122222110102.

201011222221101 is a `hidden beast` number, since 20 + 101 + 1 + 222 + 221 + 101 = 666.

It is not a de Polignac number, because 201011222221101 - 2¹⁵ = 201011222188333 is a prime.

It is a super-2 number, since 2×201011222221101² (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 (201011222222101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4095058011 + ... + 4095107096.

It is an arithmetic number, because the mean of its divisors is an integer number (12670185422076).

Almost surely, 2^{201011222221101} is an apocalyptic number.

It is an amenable number.

201011222221101 is a deficient number, since it is larger than the sum of its proper divisors (103073227908723).

201011222221101 is an equidigital number, since it uses as much as digits as its factorization.

201011222221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190165223 (or 8190165211 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201011222221101 its reverse (101122222110102), we get a palindrome (302133444331203).

The spelling of 201011222221101 in words is "two hundred one trillion, eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".