121400412340111 has 8 divisors (see below), whose sum is σ = 121416746475024. Its totient is φ = 121384078959360.

The previous prime is 121400412340037. The next prime is 121400412340183. The reversal of 121400412340111 is 111043214004121.

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 121400412340111 - 2³⁵ = 121366052601743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121400419340111) 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, 369416991 + ... + 369745471.

It is an arithmetic number, because the mean of its divisors is an integer number (15177093309378).

Almost surely, 2^{121400412340111} is an apocalyptic number.

121400412340111 is a deficient number, since it is larger than the sum of its proper divisors (16334134913).

121400412340111 is an equidigital number, since it uses as much as digits as its factorization.

121400412340111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377081.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 121400412340111 its reverse (111043214004121), we get a palindrome (232443626344232).

The spelling of 121400412340111 in words is "one hundred twenty-one trillion, four hundred billion, four hundred twelve million, three hundred forty thousand, one hundred eleven".