11020103121987 has 24 divisors (see below), whose sum is σ = 17376294295360. Its totient is φ = 6960065126760.

The previous prime is 11020103121961. The next prime is 11020103122009. The reversal of 11020103121987 is 78912130102011.

It is not a de Polignac number, because 11020103121987 - 2¹¹ = 11020103119939 is a prime.

It is a super-3 number, since 3×11020103121987³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020103111987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1193422189 + ... + 1193431422.

Almost surely, 2^{11020103121987} is an apocalyptic number.

11020103121987 is a deficient number, since it is larger than the sum of its proper divisors (6356191173373).

11020103121987 is an equidigital number, since it uses as much as digits as its factorization.

11020103121987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386853645 (or 2386853633 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

Adding to 11020103121987 its reverse (78912130102011), we get a palindrome (89932233223998).

The spelling of 11020103121987 in words is "eleven trillion, twenty billion, one hundred three million, one hundred twenty-one thousand, nine hundred eighty-seven".