11200220121020 has 48 divisors (see below), whose sum is σ = 26890895736768. Its totient is φ = 3838594406400.

The previous prime is 11200220120983. The next prime is 11200220121061. The reversal of 11200220121020 is 2012102200211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11200220120986 and 11200220121004.

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, 15063431 + ... + 15789470.

It is an arithmetic number, because the mean of its divisors is an integer number (560226994516).

Almost surely, 2^{11200220121020} is an apocalyptic number.

11200220121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200220121020 is an abundant number, since it is smaller than the sum of its proper divisors (15690675615748).

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

11200220121020 is a wasteful number, since it uses less digits than its factorization.

11200220121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30855510 (or 30855508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11200220121020 its reverse (2012102200211), we get a palindrome (13212322321231).

The spelling of 11200220121020 in words is "eleven trillion, two hundred billion, two hundred twenty million, one hundred twenty-one thousand, twenty".