11000030121 has 10 divisors (see below), whose sum is σ = 16432143882. Its totient is φ = 7333353360.

The previous prime is 11000030113. The next prime is 11000030131. The reversal of 11000030121 is 12103000011.

It can be written as a sum of positive squares in only one way, i.e., 10052067600 + 947962521 = 100260^2 + 30789^2 .

It is not a de Polignac number, because 11000030121 - 2³ = 11000030113 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11000030101) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67901340 + ... + 67901501.

Almost surely, 2^11000030121 is an apocalyptic number.

It is an amenable number.

11000030121 is a deficient number, since it is larger than the sum of its proper divisors (5432113761).

11000030121 is an equidigital number, since it uses as much as digits as its factorization.

11000030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135802853 (or 135802844 counting only the distinct ones).

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

Adding to 11000030121 its reverse (12103000011), we get a palindrome (23103030132).

The spelling of 11000030121 in words is "eleven billion, thirty thousand, one hundred twenty-one".