11121342121104 has 160 divisors (see below), whose sum is σ = 29588986183680. Its totient is φ = 3597993907200.

The previous prime is 11121342121091. The next prime is 11121342121139. The reversal of 11121342121104 is 40112124312111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367377489 + ... + 367407759.

It is an arithmetic number, because the mean of its divisors is an integer number (184931163648).

Almost surely, 2^{11121342121104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11121342121104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14794493091840).

11121342121104 is an abundant number, since it is smaller than the sum of its proper divisors (18467644062576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121342121104 is a wasteful number, since it uses less digits than its factorization.

11121342121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32029 (or 32023 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 11121342121104 its reverse (40112124312111), we get a palindrome (51233466433215).

The spelling of 11121342121104 in words is "eleven trillion, one hundred twenty-one billion, three hundred forty-two million, one hundred twenty-one thousand, one hundred four".