201201223011 has 16 divisors (see below), whose sum is σ = 271304779680. Its totient is φ = 132616154880.

The previous prime is 201201222991. The next prime is 201201223021. The reversal of 201201223011 is 110322102102.

It is not a de Polignac number, because 201201223011 - 2⁵ = 201201222979 is a prime.

It is a super-2 number, since 2×201201223011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201201223021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4447341 + ... + 4492353.

It is an arithmetic number, because the mean of its divisors is an integer number (16956548730).

Almost surely, 2^201201223011 is an apocalyptic number.

201201223011 is a deficient number, since it is larger than the sum of its proper divisors (70103556669).

201201223011 is a wasteful number, since it uses less digits than its factorization.

201201223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61846.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201201223011 its reverse (110322102102), we get a palindrome (311523325113).

The spelling of 201201223011 in words is "two hundred one billion, two hundred one million, two hundred twenty-three thousand, eleven".