111121100002 has 32 divisors (see below), whose sum is σ = 189836835840. Its totient is φ = 48288960720.

The previous prime is 111121099987. The next prime is 111121100023. The reversal of 111121100002 is 200001121111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958699 + ... + 1068337.

It is an arithmetic number, because the mean of its divisors is an integer number (5932401120).

Almost surely, 2^111121100002 is an apocalyptic number.

111121100002 is a deficient number, since it is larger than the sum of its proper divisors (78715735838).

111121100002 is a wasteful number, since it uses less digits than its factorization.

111121100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111678.

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

Adding to 111121100002 its reverse (200001121111), we get a palindrome (311122221113).

The spelling of 111121100002 in words is "one hundred eleven billion, one hundred twenty-one million, one hundred thousand, two".