121103011002243 has 8 divisors (see below), whose sum is σ = 162045310096656. Its totient is φ = 80448026288000.

The previous prime is 121103011002227. The next prime is 121103011002263. The reversal of 121103011002243 is 342200110301121.

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 121103011002243 - 2⁴ = 121103011002227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121103011002223) 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, 71828594058 + ... + 71828595743.

It is an arithmetic number, because the mean of its divisors is an integer number (20255663762082).

Almost surely, 2^{121103011002243} is an apocalyptic number.

121103011002243 is a deficient number, since it is larger than the sum of its proper divisors (40942299094413).

121103011002243 is a wasteful number, since it uses less digits than its factorization.

121103011002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143657190085.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121103011002243 its reverse (342200110301121), we get a palindrome (463303121303364).

The spelling of 121103011002243 in words is "one hundred twenty-one trillion, one hundred three billion, eleven million, two thousand, two hundred forty-three".