11021433123220 has 24 divisors (see below), whose sum is σ = 24925394910024. Its totient is φ = 4069452230016.

The previous prime is 11021433123209. The next prime is 11021433123251. The reversal of 11021433123220 is 2232133412011.

It can be written as a sum of positive squares in 4 ways, for example, as 2176114727556 + 8845318395664 = 1475166^2 + 2974108^2 .

It is a super-2 number, since 2×11021433123220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 21195063439 + ... + 21195063958.

It is an arithmetic number, because the mean of its divisors is an integer number (1038558121251).

Almost surely, 2^{11021433123220} is an apocalyptic number.

11021433123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021433123220 is an abundant number, since it is smaller than the sum of its proper divisors (13903961786804).

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

11021433123220 is a wasteful number, since it uses less digits than its factorization.

11021433123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42390127419 (or 42390127417 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11021433123220 its reverse (2232133412011), we get a palindrome (13253566535231).

The spelling of 11021433123220 in words is "eleven trillion, twenty-one billion, four hundred thirty-three million, one hundred twenty-three thousand, two hundred twenty".