121000230230221 has 4 divisors (see below), whose sum is σ = 126261109805472. Its totient is φ = 115739350654972.

The previous prime is 121000230230219. The next prime is 121000230230239. The reversal of 121000230230221 is 122032032000121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121000230230221 - 2¹ = 121000230230219 is a prime.

It is a super-3 number, since 3×121000230230221³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000230230921) 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, 2630439787591 + ... + 2630439787636.

It is an arithmetic number, because the mean of its divisors is an integer number (31565277451368).

Almost surely, 2^{121000230230221} is an apocalyptic number.

It is an amenable number.

121000230230221 is a deficient number, since it is larger than the sum of its proper divisors (5260879575251).

121000230230221 is an equidigital number, since it uses as much as digits as its factorization.

121000230230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260879575250.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121000230230221 its reverse (122032032000121), we get a palindrome (243032262230342).

The spelling of 121000230230221 in words is "one hundred twenty-one trillion, two hundred thirty million, two hundred thirty thousand, two hundred twenty-one".