11211002020111 has 8 divisors (see below), whose sum is σ = 11230561048448. Its totient is φ = 11191446000000.

The previous prime is 11211002020109. The next prime is 11211002020117. The reversal of 11211002020111 is 11102020011211.

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 11211002020111 - 2¹ = 11211002020109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211002020091 and 11211002020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211002020117) 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, 6773611 + ... + 8264611.

It is an arithmetic number, because the mean of its divisors is an integer number (1403820131056).

Almost surely, 2^{11211002020111} is an apocalyptic number.

11211002020111 is a deficient number, since it is larger than the sum of its proper divisors (19559028337).

11211002020111 is a wasteful number, since it uses less digits than its factorization.

11211002020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504113.

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

Adding to 11211002020111 its reverse (11102020011211), we get a palindrome (22313022031322).

The spelling of 11211002020111 in words is "eleven trillion, two hundred eleven billion, two million, twenty thousand, one hundred eleven".