211111110002 has 16 divisors (see below), whose sum is σ = 342008436672. Its totient is φ = 97155097680.

The previous prime is 211111109977. The next prime is 211111110011. The reversal of 211111110002 is 200011111112.

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, 11690774 + ... + 11708817.

It is an arithmetic number, because the mean of its divisors is an integer number (21375527292).

Almost surely, 2^211111110002 is an apocalyptic number.

211111110002 is a deficient number, since it is larger than the sum of its proper divisors (130897326670).

211111110002 is a wasteful number, since it uses less digits than its factorization.

211111110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23399953.

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

Adding to 211111110002 its reverse (200011111112), we get a palindrome (411122221114).

The spelling of 211111110002 in words is "two hundred eleven billion, one hundred eleven million, one hundred ten thousand, two".