11121202011020 has 24 divisors (see below), whose sum is σ = 23356233373200. Its totient is φ = 4448155252032.

The previous prime is 11121202010999. The next prime is 11121202011041. The reversal of 11121202011020 is 2011020212111.

It is an interprime number because it is at equal distance from previous prime (11121202010999) and next prime (11121202011041).

It is a super-2 number, since 2×11121202011020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121202010986 and 11121202011004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20066810 + ... + 20613569.

It is an arithmetic number, because the mean of its divisors is an integer number (973176390550).

Almost surely, 2^{11121202011020} is an apocalyptic number.

11121202011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121202011020 is an abundant number, since it is smaller than the sum of its proper divisors (12235031362180).

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

11121202011020 is a wasteful number, since it uses less digits than its factorization.

11121202011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40694057 (or 40694055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11121202011020 its reverse (2011020212111), we get a palindrome (13132222223131).

The spelling of 11121202011020 in words is "eleven trillion, one hundred twenty-one billion, two hundred two million, eleven thousand, twenty".