121400341011 has 12 divisors (see below), whose sum is σ = 175464380520. Its totient is φ = 80883561120.

The previous prime is 121400341001. The next prime is 121400341021. The reversal of 121400341011 is 110143004121.

It is an interprime number because it is at equal distance from previous prime (121400341001) and next prime (121400341021).

It is not a de Polignac number, because 121400341011 - 2¹¹ = 121400338963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121400341001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4151250 + ... + 4180391.

It is an arithmetic number, because the mean of its divisors is an integer number (14622031710).

Almost surely, 2^121400341011 is an apocalyptic number.

121400341011 is a deficient number, since it is larger than the sum of its proper divisors (54064039509).

121400341011 is a wasteful number, since it uses less digits than its factorization.

121400341011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333266 (or 8333263 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121400341011 its reverse (110143004121), we get a palindrome (231543345132).

The spelling of 121400341011 in words is "one hundred twenty-one billion, four hundred million, three hundred forty-one thousand, eleven".