121111001006 has 32 divisors (see below), whose sum is σ = 191078395200. Its totient is φ = 57488820480.

The previous prime is 121111000999. The next prime is 121111001017. The reversal of 121111001006 is 600100111121.

It is a congruent number.

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, 16833746 + ... + 16840938.

It is an arithmetic number, because the mean of its divisors is an integer number (5971199850).

Almost surely, 2^121111001006 is an apocalyptic number.

121111001006 is a deficient number, since it is larger than the sum of its proper divisors (69967394194).

121111001006 is a wasteful number, since it uses less digits than its factorization.

121111001006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121111001006 its reverse (600100111121), we get a palindrome (721211112127).

The spelling of 121111001006 in words is "one hundred twenty-one billion, one hundred eleven million, one thousand, six".