11421022104 has 48 divisors (see below), whose sum is σ = 30942061800. Its totient is φ = 3805761024.

The previous prime is 11421022091. The next prime is 11421022133. The reversal of 11421022104 is 40122012411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210312 + ... + 258984.

Almost surely, 2^11421022104 is an apocalyptic number.

It is an amenable number.

11421022104 is an abundant number, since it is smaller than the sum of its proper divisors (19521039696).

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

11421022104 is a wasteful number, since it uses less digits than its factorization.

11421022104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51944 (or 51937 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11421022104 its reverse (40122012411), we get a palindrome (51543034515).

The spelling of 11421022104 in words is "eleven billion, four hundred twenty-one million, twenty-two thousand, one hundred four".