121241421411 has 32 divisors (see below), whose sum is σ = 178724302848. Its totient is φ = 72493307040.

The previous prime is 121241421409. The next prime is 121241421467. The reversal of 121241421411 is 114124142121.

It is not a de Polignac number, because 121241421411 - 2¹ = 121241421409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121241421811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1960810 + ... + 2021696.

It is an arithmetic number, because the mean of its divisors is an integer number (5585134464).

Almost surely, 2^121241421411 is an apocalyptic number.

121241421411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121241421411 is a deficient number, since it is larger than the sum of its proper divisors (57482881437).

121241421411 is a wasteful number, since it uses less digits than its factorization.

121241421411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61711.

The product of its digits is 512, while the sum is 24.

Adding to 121241421411 its reverse (114124142121), we get a palindrome (235365563532).

The spelling of 121241421411 in words is "one hundred twenty-one billion, two hundred forty-one million, four hundred twenty-one thousand, four hundred eleven".