11012120121003 has 4 divisors (see below), whose sum is σ = 14682826828008. Its totient is φ = 7341413414000.

The previous prime is 11012120120993. The next prime is 11012120121007. The reversal of 11012120121003 is 30012102121011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11012120121003 - 2¹⁶ = 11012120055467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012120121007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835353353498 + ... + 1835353353503.

It is an arithmetic number, because the mean of its divisors is an integer number (3670706707002).

Almost surely, 2^{11012120121003} is an apocalyptic number.

11012120121003 is a deficient number, since it is larger than the sum of its proper divisors (3670706707005).

11012120121003 is an equidigital number, since it uses as much as digits as its factorization.

11012120121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670706707004.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11012120121003 its reverse (30012102121011), we get a palindrome (41024222242014).

The spelling of 11012120121003 in words is "eleven trillion, twelve billion, one hundred twenty million, one hundred twenty-one thousand, three".