121301101 has 4 divisors (see below), whose sum is σ = 122502204. Its totient is φ = 120100000.

The previous prime is 121301087. The next prime is 121301161. The reversal of 121301101 is 101103121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52577001 + 68724100 = 7251^2 + 8290^2 .

It is a cyclic number.

It is not a de Polignac number, because 121301101 - 2⁷ = 121300973 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 (121301161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600400 + ... + 600601.

It is an arithmetic number, because the mean of its divisors is an integer number (30625551).

Almost surely, 2^121301101 is an apocalyptic number.

It is an amenable number.

121301101 is a deficient number, since it is larger than the sum of its proper divisors (1201103).

121301101 is a wasteful number, since it uses less digits than its factorization.

121301101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201102.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 121301101 is about 11013.6779052231. The cubic root of 121301101 is about 495.0186722202.

Adding to 121301101 its reverse (101103121), we get a palindrome (222404222).

It can be divided in two parts, 12130 and 1101, that added together give a palindrome (13231).

The spelling of 121301101 in words is "one hundred twenty-one million, three hundred one thousand, one hundred one".