11214342111 has 16 divisors (see below), whose sum is σ = 18093729024. Its totient is φ = 6031242624.

The previous prime is 11214342107. The next prime is 11214342121. The reversal of 11214342111 is 11124341211.

It is not a de Polignac number, because 11214342111 - 2² = 11214342107 is a prime.

It is a super-2 number, since 2×11214342111² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214342121) 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, 15706005 + ... + 15706718.

It is an arithmetic number, because the mean of its divisors is an integer number (1130858064).

Almost surely, 2^11214342111 is an apocalyptic number.

11214342111 is a deficient number, since it is larger than the sum of its proper divisors (6879386913).

11214342111 is a wasteful number, since it uses less digits than its factorization.

11214342111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31412750.

The product of its digits is 192, while the sum is 21.

Adding to 11214342111 its reverse (11124341211), we get a palindrome (22338683322).

The spelling of 11214342111 in words is "eleven billion, two hundred fourteen million, three hundred forty-two thousand, one hundred eleven".