11212112010111 has 32 divisors (see below), whose sum is σ = 15109327208448. Its totient is φ = 7395270543360.

The previous prime is 11212112010061. The next prime is 11212112010299. The reversal of 11212112010111 is 11101021121211.

It is not a de Polignac number, because 11212112010111 - 2¹³ = 11212112001919 is a prime.

It is a super-2 number, since 2×11212112010111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212112017111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354091866 + ... + 354123528.

It is an arithmetic number, because the mean of its divisors is an integer number (472166475264).

Almost surely, 2^{11212112010111} is an apocalyptic number.

11212112010111 is a deficient number, since it is larger than the sum of its proper divisors (3897215198337).

11212112010111 is a wasteful number, since it uses less digits than its factorization.

11212112010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35191.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11212112010111 its reverse (11101021121211), we get a palindrome (22313133131322).

The spelling of 11212112010111 in words is "eleven trillion, two hundred twelve billion, one hundred twelve million, ten thousand, one hundred eleven".