201020111100222 has 16 divisors (see below), whose sum is σ = 402040508024592. Its totient is φ = 67006656062720.

The previous prime is 201020111100199. The next prime is 201020111100223. The reversal of 201020111100222 is 222001111020102.

201020111100222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201020111100222² (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 (201020111100223) 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, 2151429 + ... + 20166032.

It is an arithmetic number, because the mean of its divisors is an integer number (25127531751537).

Almost surely, 2^{201020111100222} is an apocalyptic number.

201020111100222 is an abundant number, since it is smaller than the sum of its proper divisors (201020396924370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201020111100222 is a wasteful number, since it uses less digits than its factorization.

201020111100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23818683.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201020111100222 its reverse (222001111020102), we get a palindrome (423021222120324).

The spelling of 201020111100222 in words is "two hundred one trillion, twenty billion, one hundred eleven million, one hundred thousand, two hundred twenty-two".