121141144221 has 8 divisors (see below), whose sum is σ = 161530774944. Its totient is φ = 80756138160.

The previous prime is 121141144211. The next prime is 121141144253. The reversal of 121141144221 is 122441141121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121141144221 - 2¹⁰ = 121141143197 is a prime.

It is a super-3 number, since 3×121141144221³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121141144191 and 121141144200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121141144211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094575 + ... + 1200156.

It is an arithmetic number, because the mean of its divisors is an integer number (20191346868).

Almost surely, 2^121141144221 is an apocalyptic number.

It is an amenable number.

121141144221 is a deficient number, since it is larger than the sum of its proper divisors (40389630723).

121141144221 is a wasteful number, since it uses less digits than its factorization.

121141144221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312331.

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

Adding to 121141144221 its reverse (122441141121), we get a palindrome (243582285342).

The spelling of 121141144221 in words is "one hundred twenty-one billion, one hundred forty-one million, one hundred forty-four thousand, two hundred twenty-one".