121102343 has 4 divisors (see below), whose sum is σ = 121144968. Its totient is φ = 121059720.

The previous prime is 121102321. The next prime is 121102363. The reversal of 121102343 is 343201121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343201121 = 1109 ⋅309469.

It is a cyclic number.

It is not a de Polignac number, because 121102343 - 2²² = 116908039 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 (121102363) 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, 16721 + ... + 22842.

It is an arithmetic number, because the mean of its divisors is an integer number (30286242).

Almost surely, 2^121102343 is an apocalyptic number.

121102343 is a deficient number, since it is larger than the sum of its proper divisors (42625).

121102343 is an equidigital number, since it uses as much as digits as its factorization.

121102343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42624.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121102343 is about 11004.6509712939. The cubic root of 121102343 is about 494.7481533548.

Adding to 121102343 its reverse (343201121), we get a palindrome (464303464).

The spelling of 121102343 in words is "one hundred twenty-one million, one hundred two thousand, three hundred forty-three".