201121011332 has 6 divisors (see below), whose sum is σ = 351961769838. Its totient is φ = 100560505664.

The previous prime is 201121011293. The next prime is 201121011383. The reversal of 201121011332 is 233110121102.

It can be written as a sum of positive squares in only one way, i.e., 191017947136 + 10103064196 = 437056^2 + 100514^2 .

It is a super-2 number, since 2×201121011332² (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 201121011332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25140126413 + ... + 25140126420.

It is an arithmetic number, because the mean of its divisors is an integer number (58660294973).

Almost surely, 2^201121011332 is an apocalyptic number.

It is an amenable number.

201121011332 is a deficient number, since it is larger than the sum of its proper divisors (150840758506).

201121011332 is a wasteful number, since it uses less digits than its factorization.

201121011332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50280252837 (or 50280252835 counting only the distinct ones).

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

Adding to 201121011332 its reverse (233110121102), we get a palindrome (434231132434).

The spelling of 201121011332 in words is "two hundred one billion, one hundred twenty-one million, eleven thousand, three hundred thirty-two".