11100212020111 has 6 divisors (see below), whose sum is σ = 11715182215512. Its totient is φ = 10515990334500.

The previous prime is 11100212020103. The next prime is 11100212020123. The reversal of 11100212020111 is 11102021200111.

It is a happy number.

It is not a de Polignac number, because 11100212020111 - 2³ = 11100212020103 is a prime.

It is a super-3 number, since 3×11100212020111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100212020091 and 11100212020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100212021111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15374254515 + ... + 15374255236.

It is an arithmetic number, because the mean of its divisors is an integer number (1952530369252).

Almost surely, 2^{11100212020111} is an apocalyptic number.

11100212020111 is a deficient number, since it is larger than the sum of its proper divisors (614970195401).

11100212020111 is an equidigital number, since it uses as much as digits as its factorization.

11100212020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30748509789 (or 30748509770 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11100212020111 its reverse (11102021200111), we get a palindrome (22202233220222).

The spelling of 11100212020111 in words is "eleven trillion, one hundred billion, two hundred twelve million, twenty thousand, one hundred eleven".