1011211123232 has 24 divisors (see below), whose sum is σ = 1997182371996. Its totient is φ = 503990203392.

The previous prime is 1011211123231. The next prime is 1011211123297. The reversal of 1011211123232 is 2323211121101.

It can be written as a sum of positive squares in 2 ways, for example, as 830861418256 + 180349704976 = 911516^2 + 424676^2 .

It is not an unprimeable number, because it can be changed into a prime (1011211123231) 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, 50469773 + ... + 50489804.

Almost surely, 2^{1011211123232} is an apocalyptic number.

It is an amenable number.

1011211123232 is a deficient number, since it is larger than the sum of its proper divisors (985971248764).

1011211123232 is a wasteful number, since it uses less digits than its factorization.

1011211123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100959900 (or 100959892 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1011211123232 its reverse (2323211121101), we get a palindrome (3334422244333).

The spelling of 1011211123232 in words is "one trillion, eleven billion, two hundred eleven million, one hundred twenty-three thousand, two hundred thirty-two".