201311110121332 has 12 divisors (see below), whose sum is σ = 355782506502276. Its totient is φ = 99658965406400.

The previous prime is 201311110121309. The next prime is 201311110121347. The reversal of 201311110121332 is 233121011113102.

It can be written as a sum of positive squares in 2 ways, for example, as 162406375503376 + 38904734617956 = 12743876^2 + 6237366^2 .

It is a super-2 number, since 2×201311110121332² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249147413113 + ... + 249147413920.

It is an arithmetic number, because the mean of its divisors is an integer number (29648542208523).

Almost surely, 2^{201311110121332} is an apocalyptic number.

It is an amenable number.

201311110121332 is a deficient number, since it is larger than the sum of its proper divisors (154471396380944).

201311110121332 is a wasteful number, since it uses less digits than its factorization.

201311110121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498294827138 (or 498294827136 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 201311110121332 its reverse (233121011113102), we get a palindrome (434432121234434).

The spelling of 201311110121332 in words is "two hundred one trillion, three hundred eleven billion, one hundred ten million, one hundred twenty-one thousand, three hundred thirty-two".