11101004121 has 8 divisors (see below), whose sum is σ = 14907823840. Its totient is φ = 7347426912.

The previous prime is 11101004111. The next prime is 11101004137. The reversal of 11101004121 is 12140010111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11101004121 - 2²¹ = 11098906969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101004097 and 11101004106.

It is not an unprimeable number, because it can be changed into a prime (11101004111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13310140 + ... + 13310973.

It is an arithmetic number, because the mean of its divisors is an integer number (1863477980).

Almost surely, 2^11101004121 is an apocalyptic number.

It is an amenable number.

11101004121 is a deficient number, since it is larger than the sum of its proper divisors (3806819719).

11101004121 is a wasteful number, since it uses less digits than its factorization.

11101004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26621255.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11101004121 its reverse (12140010111), we get a palindrome (23241014232).

The spelling of 11101004121 in words is "eleven billion, one hundred one million, four thousand, one hundred twenty-one".