11021000220120 has 64 divisors (see below), whose sum is σ = 36068727997440. Its totient is φ = 2671757628800.

The previous prime is 11021000220119. The next prime is 11021000220233. The reversal of 11021000220120 is 2102200012011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11021000220096 and 11021000220105.

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, 4174619976 + ... + 4174622615.

It is an arithmetic number, because the mean of its divisors is an integer number (563573874960).

Almost surely, 2^{11021000220120} is an apocalyptic number.

11021000220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021000220120 is an abundant number, since it is smaller than the sum of its proper divisors (25047727777320).

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

11021000220120 is a wasteful number, since it uses less digits than its factorization.

11021000220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349242616 (or 8349242612 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11021000220120 its reverse (2102200012011), we get a palindrome (13123200232131).

The spelling of 11021000220120 in words is "eleven trillion, twenty-one billion, two hundred twenty thousand, one hundred twenty".