121421240041101 has 32 divisors (see below), whose sum is σ = 217369492666368. Its totient is φ = 58223971247040.

The previous prime is 121421240041097. The next prime is 121421240041121. The reversal of 121421240041101 is 101140042124121.

It is not a de Polignac number, because 121421240041101 - 2² = 121421240041097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121421240041121) 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, 20216653681 + ... + 20216659686.

It is an arithmetic number, because the mean of its divisors is an integer number (6792796645824).

Almost surely, 2^{121421240041101} is an apocalyptic number.

121421240041101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121421240041101 is a deficient number, since it is larger than the sum of its proper divisors (95948252625267).

121421240041101 is a wasteful number, since it uses less digits than its factorization.

121421240041101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40433313401.

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

Adding to 121421240041101 its reverse (101140042124121), we get a palindrome (222561282165222).

The spelling of 121421240041101 in words is "one hundred twenty-one trillion, four hundred twenty-one billion, two hundred forty million, forty-one thousand, one hundred one".