121000210110011 has 16 divisors (see below), whose sum is σ = 122293681372800. Its totient is φ = 119713465417728.

The previous prime is 121000210109971. The next prime is 121000210110037. The reversal of 121000210110011 is 110011012000121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121000210110011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121000210109974 and 121000210110001.

It is not an unprimeable number, because it can be changed into a prime (121000210110211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355285175 + ... + 355625583.

It is an arithmetic number, because the mean of its divisors is an integer number (7643355085800).

Almost surely, 2^{121000210110011} is an apocalyptic number.

121000210110011 is a deficient number, since it is larger than the sum of its proper divisors (1293471262789).

121000210110011 is a wasteful number, since it uses less digits than its factorization.

121000210110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350278.

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

Adding to 121000210110011 its reverse (110011012000121), we get a palindrome (231011222110132).

The spelling of 121000210110011 in words is "one hundred twenty-one trillion, two hundred ten million, one hundred ten thousand, eleven".