1123211111052 has 12 divisors (see below), whose sum is σ = 2620825925816. Its totient is φ = 374403703680.

The previous prime is 1123211111051. The next prime is 1123211111129. The reversal of 1123211111052 is 2501111123211.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1123211111051) 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, 46800462949 + ... + 46800462972.

Almost surely, 2^{1123211111052} is an apocalyptic number.

1123211111052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123211111052 is an abundant number, since it is smaller than the sum of its proper divisors (1497614814764).

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

1123211111052 is a wasteful number, since it uses less digits than its factorization.

1123211111052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93600925928 (or 93600925926 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 1123211111052 its reverse (2501111123211), we get a palindrome (3624322234263).

The spelling of 1123211111052 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, one hundred eleven thousand, fifty-two".