11111030120002 has 4 divisors (see below), whose sum is σ = 16666545180006. Its totient is φ = 5555515060000.

The previous prime is 11111030119921. The next prime is 11111030120059. The reversal of 11111030120002 is 20002103011111.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 6076082030841 + 5034948089161 = 2464971^2 + 2243869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777757529999 + ... + 2777757530002.

Almost surely, 2^{11111030120002} is an apocalyptic number.

11111030120002 is a deficient number, since it is larger than the sum of its proper divisors (5555515060004).

11111030120002 is an equidigital number, since it uses as much as digits as its factorization.

11111030120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555515060003.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11111030120002 its reverse (20002103011111), we get a palindrome (31113133131113).

The spelling of 11111030120002 in words is "eleven trillion, one hundred eleven billion, thirty million, one hundred twenty thousand, two".