11214123345501 has 16 divisors (see below), whose sum is σ = 15434998817280. Its totient is φ = 7234680879360.

The previous prime is 11214123345493. The next prime is 11214123345539. The reversal of 11214123345501 is 10554332141211.

It is not a de Polignac number, because 11214123345501 - 2³ = 11214123345493 is a prime.

It is a super-2 number, since 2×11214123345501² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214123341501) 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, 893265 + ... + 4819353.

It is an arithmetic number, because the mean of its divisors is an integer number (964687426080).

Almost surely, 2^{11214123345501} is an apocalyptic number.

It is an amenable number.

11214123345501 is a deficient number, since it is larger than the sum of its proper divisors (4220875471779).

11214123345501 is a wasteful number, since it uses less digits than its factorization.

11214123345501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956836.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 11214123345501 its reverse (10554332141211), we get a palindrome (21768455486712).

The spelling of 11214123345501 in words is "eleven trillion, two hundred fourteen billion, one hundred twenty-three million, three hundred forty-five thousand, five hundred one".