201105311052 has 24 divisors (see below), whose sum is σ = 472353317632. Its totient is φ = 66591162000.

The previous prime is 201105311047. The next prime is 201105311107. The reversal of 201105311052 is 250113501102.

It is a super-2 number, since 2×201105311052² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55490824 + ... + 55494447.

Almost surely, 2^201105311052 is an apocalyptic number.

It is an amenable number.

201105311052 is an abundant number, since it is smaller than the sum of its proper divisors (271248006580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201105311052 is a wasteful number, since it uses less digits than its factorization.

201105311052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110985429 (or 110985427 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 201105311052 its reverse (250113501102), we get a palindrome (451218812154).

The spelling of 201105311052 in words is "two hundred one billion, one hundred five million, three hundred eleven thousand, fifty-two".