11103002021 has 8 divisors (see below), whose sum is σ = 11134537344. Its totient is φ = 11071494720.

The previous prime is 11103002017. The next prime is 11103002041. The reversal of 11103002021 is 12020030111.

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

It is a cyclic number.

It is not a de Polignac number, because 11103002021 - 2² = 11103002017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103001993 and 11103002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103002041) 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, 975956 + ... + 987266.

It is an arithmetic number, because the mean of its divisors is an integer number (1391817168).

Almost surely, 2^11103002021 is an apocalyptic number.

It is an amenable number.

11103002021 is a deficient number, since it is larger than the sum of its proper divisors (31535323).

11103002021 is a wasteful number, since it uses less digits than its factorization.

11103002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14011.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11103002021 its reverse (12020030111), we get a palindrome (23123032132).

The spelling of 11103002021 in words is "eleven billion, one hundred three million, two thousand, twenty-one".