201123002121332 has 12 divisors (see below), whose sum is σ = 351967903846020. Its totient is φ = 100560743879616.

The previous prime is 201123002121233. The next prime is 201123002121337. The reversal of 201123002121332 is 233121200321102.

It can be written as a sum of positive squares in 2 ways, for example, as 170040191682916 + 31082810438416 = 13039946^2 + 5575196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201123002121298 and 201123002121307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201123002121337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188697407 + ... + 189760262.

It is an arithmetic number, because the mean of its divisors is an integer number (29330658653835).

Almost surely, 2^{201123002121332} is an apocalyptic number.

It is an amenable number.

201123002121332 is a deficient number, since it is larger than the sum of its proper divisors (150844901724688).

201123002121332 is a wasteful number, since it uses less digits than its factorization.

201123002121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378590530 (or 378590528 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201123002121332 its reverse (233121200321102), we get a palindrome (434244202442434).

The spelling of 201123002121332 in words is "two hundred one trillion, one hundred twenty-three billion, two million, one hundred twenty-one thousand, three hundred thirty-two".