201011211101223 has 48 divisors (see below), whose sum is σ = 296138165806080. Its totient is φ = 131356740094272.

The previous prime is 201011211101159. The next prime is 201011211101257. The reversal of 201011211101223 is 322101112110102.

It is a happy number.

201011211101223 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 201011211101223 - 2⁶ = 201011211101159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201011211101196 and 201011211101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011211101263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132743490 + ... + 134249232.

It is an arithmetic number, because the mean of its divisors is an integer number (6169545120960).

Almost surely, 2^{201011211101223} is an apocalyptic number.

201011211101223 is a deficient number, since it is larger than the sum of its proper divisors (95126954704857).

201011211101223 is a wasteful number, since it uses less digits than its factorization.

201011211101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506908 (or 1506905 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 201011211101223 its reverse (322101112110102), we get a palindrome (523112323211325).

The spelling of 201011211101223 in words is "two hundred one trillion, eleven billion, two hundred eleven million, one hundred one thousand, two hundred twenty-three".