11021121300220 has 12 divisors (see below), whose sum is σ = 23144354730504. Its totient is φ = 4408448520080.

The previous prime is 11021121300197. The next prime is 11021121300227. The reversal of 11021121300220 is 2200312112011.

It is a super-2 number, since 2×11021121300220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021121300194 and 11021121300203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021121300227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275528032486 + ... + 275528032525.

It is an arithmetic number, because the mean of its divisors is an integer number (1928696227542).

Almost surely, 2^{11021121300220} is an apocalyptic number.

11021121300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021121300220 is an abundant number, since it is smaller than the sum of its proper divisors (12123233430284).

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

11021121300220 is a wasteful number, since it uses less digits than its factorization.

11021121300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551056065020 (or 551056065018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11021121300220 its reverse (2200312112011), we get a palindrome (13221433412231).

The spelling of 11021121300220 in words is "eleven trillion, twenty-one billion, one hundred twenty-one million, three hundred thousand, two hundred twenty".