11011021402 has 8 divisors (see below), whose sum is σ = 16545158676. Its totient is φ = 5495968512.

The previous prime is 11011021387. The next prime is 11011021421. The reversal of 11011021402 is 20412011011.

It can be written as a sum of positive squares in 2 ways, for example, as 9985805041 + 1025216361 = 99929^2 + 32019^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4769653 + ... + 4771960.

Almost surely, 2^11011021402 is an apocalyptic number.

11011021402 is a deficient number, since it is larger than the sum of its proper divisors (5534137274).

11011021402 is an equidigital number, since it uses as much as digits as its factorization.

11011021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542192.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11011021402 its reverse (20412011011), we get a palindrome (31423032413).

The spelling of 11011021402 in words is "eleven billion, eleven million, twenty-one thousand, four hundred two".