201121101332 has 12 divisors (see below), whose sum is σ = 354530993460. Its totient is φ = 99826531776.

The previous prime is 201121101271. The next prime is 201121101341. The reversal of 201121101332 is 233101121102.

It can be written as a sum of positive squares in 2 ways, for example, as 155855985796 + 45265115536 = 394786^2 + 212756^2 .

It is a super-2 number, since 2×201121101332² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201121101332.

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, 183504107 + ... + 183505202.

It is an arithmetic number, because the mean of its divisors is an integer number (29544249455).

Almost surely, 2^201121101332 is an apocalyptic number.

It is an amenable number.

201121101332 is a deficient number, since it is larger than the sum of its proper divisors (153409892128).

201121101332 is a wasteful number, since it uses less digits than its factorization.

201121101332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367009450 (or 367009448 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 201121101332 its reverse (233101121102), we get a palindrome (434222222434).

The spelling of 201121101332 in words is "two hundred one billion, one hundred twenty-one million, one hundred one thousand, three hundred thirty-two".