11020000021220 has 24 divisors (see below), whose sum is σ = 23146002016704. Its totient is φ = 4407237728096.

The previous prime is 11020000021157. The next prime is 11020000021229. The reversal of 11020000021220 is 2212000002011.

It is a happy number.

11020000021220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11020000021229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47523974 + ... + 47755293.

It is an arithmetic number, because the mean of its divisors is an integer number (964416750696).

Almost surely, 2^{11020000021220} is an apocalyptic number.

11020000021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020000021220 is an abundant number, since it is smaller than the sum of its proper divisors (12126001995484).

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

11020000021220 is a wasteful number, since it uses less digits than its factorization.

11020000021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95285059 (or 95285057 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11020000021220 its reverse (2212000002011), we get a palindrome (13232000023231).

The spelling of 11020000021220 in words is "eleven trillion, twenty billion, twenty-one thousand, two hundred twenty".