11212020001111 has 8 divisors (see below), whose sum is σ = 11327717085104. Its totient is φ = 11096325146880.

The previous prime is 11212020001103. The next prime is 11212020001153. The reversal of 11212020001111 is 11110002021211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11212020001111 - 2³ = 11212020001103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11212020001091 and 11212020001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212020001811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10722676 + ... + 11721766.

It is an arithmetic number, because the mean of its divisors is an integer number (1415964635638).

Almost surely, 2^{11212020001111} is an apocalyptic number.

11212020001111 is a deficient number, since it is larger than the sum of its proper divisors (115697083993).

11212020001111 is an equidigital number, since it uses as much as digits as its factorization.

11212020001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114881.

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

Adding to 11212020001111 its reverse (11110002021211), we get a palindrome (22322022022322).

The spelling of 11212020001111 in words is "eleven trillion, two hundred twelve billion, twenty million, one thousand, one hundred eleven".