11111100120002 has 24 divisors (see below), whose sum is σ = 18636538373040. Its totient is φ = 4953555466560.

The previous prime is 11111100119971. The next prime is 11111100120011. The reversal of 11111100120002 is 20002100111111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505866824 + ... + 505888787.

It is an arithmetic number, because the mean of its divisors is an integer number (776522432210).

Almost surely, 2^{11111100120002} is an apocalyptic number.

11111100120002 is a deficient number, since it is larger than the sum of its proper divisors (7525438253038).

11111100120002 is a wasteful number, since it uses less digits than its factorization.

11111100120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011755666 (or 1011755649 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11111100120002 its reverse (20002100111111), we get a palindrome (31113200231113).

The spelling of 11111100120002 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred twenty thousand, two".