11230212020111 has 16 divisors (see below), whose sum is σ = 12838110489600. Its totient is φ = 9623209619808.

The previous prime is 11230212020077. The next prime is 11230212020117. The reversal of 11230212020111 is 11102021203211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11230212020111 - 2²⁶ = 11230144911247 is a prime.

It is a super-2 number, since 2×11230212020111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11230212020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230212020117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719001860 + ... + 719017478.

It is an arithmetic number, because the mean of its divisors is an integer number (802381905600).

Almost surely, 2^{11230212020111} is an apocalyptic number.

11230212020111 is a deficient number, since it is larger than the sum of its proper divisors (1607898469489).

11230212020111 is a wasteful number, since it uses less digits than its factorization.

11230212020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37718.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11230212020111 its reverse (11102021203211), we get a palindrome (22332233223322).

The spelling of 11230212020111 in words is "eleven trillion, two hundred thirty billion, two hundred twelve million, twenty thousand, one hundred eleven".