11220212010111 has 16 divisors (see below), whose sum is σ = 17058783871584. Its totient is φ = 6498584331264.

The previous prime is 11220212010017. The next prime is 11220212010157. The reversal of 11220212010111 is 11101021202211.

It is a happy number.

It is not a de Polignac number, because 11220212010111 - 2¹³ = 11220212001919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220212010181) 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, 8461697686 + ... + 8461699011.

It is an arithmetic number, because the mean of its divisors is an integer number (1066173991974).

Almost surely, 2^{11220212010111} is an apocalyptic number.

11220212010111 is a deficient number, since it is larger than the sum of its proper divisors (5838571861473).

11220212010111 is a wasteful number, since it uses less digits than its factorization.

11220212010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16923396730.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11220212010111 its reverse (11101021202211), we get a palindrome (22321233212322).

The spelling of 11220212010111 in words is "eleven trillion, two hundred twenty billion, two hundred twelve million, ten thousand, one hundred eleven".