121411155011 has 8 divisors (see below), whose sum is σ = 123761900880. Its totient is φ = 119078992512.

The previous prime is 121411155007. The next prime is 121411155059. The reversal of 121411155011 is 110551114121.

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 121411155011 - 2² = 121411155007 is a prime.

It is a super-2 number, since 2×121411155011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121411155911) 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, 4632650 + ... + 4658783.

It is an arithmetic number, because the mean of its divisors is an integer number (15470237610).

Almost surely, 2^121411155011 is an apocalyptic number.

121411155011 is a deficient number, since it is larger than the sum of its proper divisors (2350745869).

121411155011 is an equidigital number, since it uses as much as digits as its factorization.

121411155011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291685.

The product of its (nonzero) digits is 200, while the sum is 23.

Adding to 121411155011 its reverse (110551114121), we get a palindrome (231962269132).

The spelling of 121411155011 in words is "one hundred twenty-one billion, four hundred eleven million, one hundred fifty-five thousand, eleven".