121426343611 has 8 divisors (see below), whose sum is σ = 123723573120. Its totient is φ = 119129342592.

The previous prime is 121426343531. The next prime is 121426343653. The reversal of 121426343611 is 116343624121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121426343611 - 2²¹ = 121424246459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121426343111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332246 + ... + 1420468.

It is an arithmetic number, because the mean of its divisors is an integer number (15465446640).

Almost surely, 2^121426343611 is an apocalyptic number.

121426343611 is a deficient number, since it is larger than the sum of its proper divisors (2297229509).

121426343611 is an equidigital number, since it uses as much as digits as its factorization.

121426343611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114245.

The product of its digits is 20736, while the sum is 34.

Adding to 121426343611 its reverse (116343624121), we get a palindrome (237769967732).

The spelling of 121426343611 in words is "one hundred twenty-one billion, four hundred twenty-six million, three hundred forty-three thousand, six hundred eleven".