121421101414 has 4 divisors (see below), whose sum is σ = 182131652124. Its totient is φ = 60710550706.

The previous prime is 121421101411. The next prime is 121421101421. The reversal of 121421101414 is 414101124121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121421101411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30355275352 + ... + 30355275355.

It is an arithmetic number, because the mean of its divisors is an integer number (45532913031).

Almost surely, 2^121421101414 is an apocalyptic number.

121421101414 is a deficient number, since it is larger than the sum of its proper divisors (60710550710).

121421101414 is an equidigital number, since it uses as much as digits as its factorization.

121421101414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60710550709.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121421101414 its reverse (414101124121), we get a palindrome (535522225535).

The spelling of 121421101414 in words is "one hundred twenty-one billion, four hundred twenty-one million, one hundred one thousand, four hundred fourteen".