1111111211002 has 16 divisors (see below), whose sum is σ = 1794913464960. Its totient is φ = 512808699312.

The previous prime is 1111111210997. The next prime is 1111111211053. The reversal of 1111111211002 is 2001121111111.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 706803 + ... + 1649785.

It is an arithmetic number, because the mean of its divisors is an integer number (112182091560).

Almost surely, 2^{1111111211002} is an apocalyptic number.

1111111211002 is a deficient number, since it is larger than the sum of its proper divisors (683802253958).

1111111211002 is a wasteful number, since it uses less digits than its factorization.

1111111211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988317.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1111111211002 its reverse (2001121111111), we get a palindrome (3112232322113).

The spelling of 1111111211002 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two hundred eleven thousand, two".