201030023211 has 32 divisors (see below), whose sum is σ = 293349081600. Its totient is φ = 121965703680.

The previous prime is 201030023209. The next prime is 201030023273. The reversal of 201030023211 is 112320030102.

It is not a de Polignac number, because 201030023211 - 2¹ = 201030023209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201030023611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364071 + ... + 731168.

It is an arithmetic number, because the mean of its divisors is an integer number (9167158800).

Almost surely, 2^201030023211 is an apocalyptic number.

201030023211 is a deficient number, since it is larger than the sum of its proper divisors (92319058389).

201030023211 is a wasteful number, since it uses less digits than its factorization.

201030023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095379.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201030023211 its reverse (112320030102), we get a palindrome (313350053313).

The spelling of 201030023211 in words is "two hundred one billion, thirty million, twenty-three thousand, two hundred eleven".