11020120111020 has 48 divisors (see below), whose sum is σ = 31512854112768. Its totient is φ = 2876173191360.

The previous prime is 11020120110919. The next prime is 11020120111043. The reversal of 11020120111020 is 2011102102011.

It is a super-2 number, since 2×11020120111020² (a number of 27 digits) contains 22 as substring.

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 = 11020120110987 and 11020120111005.

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, 1953919186 + ... + 1953924825.

It is an arithmetic number, because the mean of its divisors is an integer number (656517794016).

Almost surely, 2^{11020120111020} is an apocalyptic number.

11020120111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020120111020 is an abundant number, since it is smaller than the sum of its proper divisors (20492734001748).

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

11020120111020 is a wasteful number, since it uses less digits than its factorization.

11020120111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907844070 (or 3907844068 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11020120111020 its reverse (2011102102011), we get a palindrome (13031222213031).

The spelling of 11020120111020 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred eleven thousand, twenty".