11020120120100 has 144 divisors (see below), whose sum is σ = 29452000368000. Its totient is φ = 3485339781120.

The previous prime is 11020120120019. The next prime is 11020120120103. The reversal of 11020120120100 is 102102102011.

It is a super-2 number, since 2×11020120120100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11020120120103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13143251 + ... + 13956549.

Almost surely, 2^{11020120120100} is an apocalyptic number.

11020120120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020120120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14726000184000).

11020120120100 is an abundant number, since it is smaller than the sum of its proper divisors (18431880247900).

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

11020120120100 is a wasteful number, since it uses less digits than its factorization.

11020120120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814822 (or 814815 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020120120100 its reverse (102102102011), we get a palindrome (11122222222111).

The spelling of 11020120120100 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred twenty thousand, one hundred".