11124354232121 has 16 divisors (see below), whose sum is σ = 12116665205568. Its totient is φ = 10151947243200.

The previous prime is 11124354232111. The next prime is 11124354232157. The reversal of 11124354232121 is 12123245342111.

It is a cyclic number.

It is not a de Polignac number, because 11124354232121 - 2²² = 11124350037817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124354232111) 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, 7460990 + ... + 8826951.

It is an arithmetic number, because the mean of its divisors is an integer number (757291575348).

Almost surely, 2^{11124354232121} is an apocalyptic number.

It is an amenable number.

11124354232121 is a deficient number, since it is larger than the sum of its proper divisors (992310973447).

11124354232121 is a wasteful number, since it uses less digits than its factorization.

11124354232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16288552.

The product of its digits is 11520, while the sum is 32.

Adding to 11124354232121 its reverse (12123245342111), we get a palindrome (23247599574232).

The spelling of 11124354232121 in words is "eleven trillion, one hundred twenty-four billion, three hundred fifty-four million, two hundred thirty-two thousand, one hundred twenty-one".