121001223331 has 8 divisors (see below), whose sum is σ = 121088636928. Its totient is φ = 120913845000.

The previous prime is 121001223307. The next prime is 121001223349. The reversal of 121001223331 is 133322100121.

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

It is a cyclic number.

It is not a de Polignac number, because 121001223331 - 2⁹ = 121001222819 is a prime.

It is a super-2 number, since 2×121001223331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121001223299 and 121001223308.

It is not an unprimeable number, because it can be changed into a prime (121001223361) 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, 11775726 + ... + 11785996.

It is an arithmetic number, because the mean of its divisors is an integer number (15136079616).

Almost surely, 2^121001223331 is an apocalyptic number.

121001223331 is a deficient number, since it is larger than the sum of its proper divisors (87413597).

121001223331 is a wasteful number, since it uses less digits than its factorization.

121001223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17633.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121001223331 its reverse (133322100121), we get a palindrome (254323323452).

The spelling of 121001223331 in words is "one hundred twenty-one billion, one million, two hundred twenty-three thousand, three hundred thirty-one".