11211122001020 has 48 divisors (see below), whose sum is σ = 24098555593728. Its totient is φ = 4379127305280.

The previous prime is 11211122001011. The next prime is 11211122001089. The reversal of 11211122001020 is 2010022111211.

It is a junction number, because it is equal to n+sod(n) for n = 11211122000986 and 11211122001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13044896 + ... + 13877735.

It is an arithmetic number, because the mean of its divisors is an integer number (502053241536).

Almost surely, 2^{11211122001020} is an apocalyptic number.

11211122001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211122001020 is an abundant number, since it is smaller than the sum of its proper divisors (12887433592708).

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

11211122001020 is a wasteful number, since it uses less digits than its factorization.

11211122001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26923130 (or 26923128 counting only the distinct ones).

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

Adding to 11211122001020 its reverse (2010022111211), we get a palindrome (13221144112231).

The spelling of 11211122001020 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-two million, one thousand, twenty".