11121022011020 has 24 divisors (see below), whose sum is σ = 23985339365904. Its totient is φ = 4328181539136.

The previous prime is 11121022011017. The next prime is 11121022011037. The reversal of 11121022011020 is 2011022012111.

It is a junction number, because it is equal to n+sod(n) for n = 11121022010986 and 11121022011004.

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, 7514203322 + ... + 7514204801.

It is an arithmetic number, because the mean of its divisors is an integer number (999389140246).

Almost surely, 2^{11121022011020} is an apocalyptic number.

11121022011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121022011020 is an abundant number, since it is smaller than the sum of its proper divisors (12864317354884).

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

11121022011020 is a wasteful number, since it uses less digits than its factorization.

11121022011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028408169 (or 15028408167 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11121022011020 its reverse (2011022012111), we get a palindrome (13132044023131).

The spelling of 11121022011020 in words is "eleven trillion, one hundred twenty-one billion, twenty-two million, eleven thousand, twenty".