11111121233020 has 12 divisors (see below), whose sum is σ = 23333354589384. Its totient is φ = 4444448493200.

The previous prime is 11111121232993. The next prime is 11111121233057. The reversal of 11111121233020 is 2033212111111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277778030806 + ... + 277778030845.

It is an arithmetic number, because the mean of its divisors is an integer number (1944446215782).

Almost surely, 2^{11111121233020} is an apocalyptic number.

11111121233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111121233020 is an abundant number, since it is smaller than the sum of its proper divisors (12222233356364).

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

11111121233020 is a wasteful number, since it uses less digits than its factorization.

11111121233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555556061660 (or 555556061658 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11111121233020 its reverse (2033212111111), we get a palindrome (13144333344131).

The spelling of 11111121233020 in words is "eleven trillion, one hundred eleven billion, one hundred twenty-one million, two hundred thirty-three thousand, twenty".