11002103001 has 12 divisors (see below), whose sum is σ = 15896460580. Its totient is φ = 7332642720.

The previous prime is 11002102967. The next prime is 11002103009. The reversal of 11002103001 is 10030120011.

It can be written as a sum of positive squares in 2 ways, for example, as 6901621776 + 4100481225 = 83076^2 + 64035^2 .

It is not a de Polignac number, because 11002103001 - 2⁷ = 11002102873 is a prime.

It is a super-2 number, since 2×11002103001² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002103009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140746 + ... + 204483.

Almost surely, 2^11002103001 is an apocalyptic number.

It is an amenable number.

11002103001 is a deficient number, since it is larger than the sum of its proper divisors (4894357579).

11002103001 is a wasteful number, since it uses less digits than its factorization.

11002103001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348776 (or 348773 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11002103001 its reverse (10030120011), we get a palindrome (21032223012).

It can be divided in two parts, 11002 and 103001, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 11002103001 in words is "eleven billion, two million, one hundred three thousand, one".