11012121002 has 8 divisors (see below), whose sum is σ = 16548715812. Its totient is φ = 5495882400.

The previous prime is 11012120981. The next prime is 11012121011. The reversal of 11012121002 is 20012121011.

It can be written as a sum of positive squares in 2 ways, for example, as 10007801521 + 1004319481 = 100039^2 + 31691^2 .

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, 5087699 + ... + 5089862.

Almost surely, 2^11012121002 is an apocalyptic number.

11012121002 is a deficient number, since it is larger than the sum of its proper divisors (5536594810).

11012121002 is a wasteful number, since it uses less digits than its factorization.

11012121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10178104.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11012121002 its reverse (20012121011), we get a palindrome (31024242013).

Subtracting 11012121002 from its reverse (20012121011), we obtain a palindrome (9000000009).

The spelling of 11012121002 in words is "eleven billion, twelve million, one hundred twenty-one thousand, two".