11011101202020 has 48 divisors (see below), whose sum is σ = 31291248800448. Its totient is φ = 2892468374400.

The previous prime is 11011101201973. The next prime is 11011101202043. The reversal of 11011101202020 is 2020210111011.

It is a super-2 number, since 2×11011101202020² (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 = 11011101201987 and 11011101202005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369535931 + ... + 1369543970.

It is an arithmetic number, because the mean of its divisors is an integer number (651901016676).

Almost surely, 2^{11011101202020} is an apocalyptic number.

11011101202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011101202020 is an abundant number, since it is smaller than the sum of its proper divisors (20280147598428).

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

11011101202020 is a wasteful number, since it uses less digits than its factorization.

11011101202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739079980 (or 2739079978 counting only the distinct ones).

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

Adding to 11011101202020 its reverse (2020210111011), we get a palindrome (13031311313031).

The spelling of 11011101202020 in words is "eleven trillion, eleven billion, one hundred one million, two hundred two thousand, twenty".