11111120002 has 16 divisors (see below), whose sum is σ = 17394357312. Its totient is φ = 5313085360.

The previous prime is 11111119997. The next prime is 11111120011. The reversal of 11111120002 is 20002111111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296352 + ... + 331732.

It is an arithmetic number, because the mean of its divisors is an integer number (1087147332).

Almost surely, 2^11111120002 is an apocalyptic number.

11111120002 is a deficient number, since it is larger than the sum of its proper divisors (6283237310).

11111120002 is a wasteful number, since it uses less digits than its factorization.

11111120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42233.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11111120002 its reverse (20002111111), we get a palindrome (31113231113).

It can be divided in two parts, 111111 and 20002, that multiplied together give a palindrome (2222442222).

The spelling of 11111120002 in words is "eleven billion, one hundred eleven million, one hundred twenty thousand, two".