121000110122011 has 4 divisors (see below), whose sum is σ = 122130952272792. Its totient is φ = 119869267971232.

The previous prime is 121000110121999. The next prime is 121000110122033. The reversal of 121000110122011 is 110221011000121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121000110122011 - 2²³ = 121000101733403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121000110121982 and 121000110122000.

It is not an unprimeable number, because it can be changed into a prime (121000180122011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565421075230 + ... + 565421075443.

It is an arithmetic number, because the mean of its divisors is an integer number (30532738068198).

Almost surely, 2^{121000110122011} is an apocalyptic number.

121000110122011 is a deficient number, since it is larger than the sum of its proper divisors (1130842150781).

121000110122011 is a wasteful number, since it uses less digits than its factorization.

121000110122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130842150780.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121000110122011 its reverse (110221011000121), we get a palindrome (231221121122132).

The spelling of 121000110122011 in words is "one hundred twenty-one trillion, one hundred ten million, one hundred twenty-two thousand, eleven".