1011122233132 has 72 divisors (see below), whose sum is σ = 1963516359168. Its totient is φ = 455218874880.

The previous prime is 1011122233127. The next prime is 1011122233133. The reversal of 1011122233132 is 2313322211101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1011122233133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90947238 + ... + 90958354.

It is an arithmetic number, because the mean of its divisors is an integer number (27271060544).

Almost surely, 2^{1011122233132} is an apocalyptic number.

It is an amenable number.

1011122233132 is a deficient number, since it is larger than the sum of its proper divisors (952394126036).

1011122233132 is a wasteful number, since it uses less digits than its factorization.

1011122233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12919 (or 12906 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1011122233132 its reverse (2313322211101), we get a palindrome (3324444444233).

The spelling of 1011122233132 in words is "one trillion, eleven billion, one hundred twenty-two million, two hundred thirty-three thousand, one hundred thirty-two".