121123033202231 has 4 divisors (see below), whose sum is σ = 121286052090192. Its totient is φ = 120960014314272.

The previous prime is 121123033202207. The next prime is 121123033202243. The reversal of 121123033202231 is 132202330321121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121123033202231 is a prime.

It is a super-2 number, since 2×121123033202231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121123033202231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123033202291) 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, 81509442866 + ... + 81509444351.

It is an arithmetic number, because the mean of its divisors is an integer number (30321513022548).

Almost surely, 2^{121123033202231} is an apocalyptic number.

121123033202231 is a deficient number, since it is larger than the sum of its proper divisors (163018887961).

121123033202231 is an equidigital number, since it uses as much as digits as its factorization.

121123033202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163018887960.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 121123033202231 its reverse (132202330321121), we get a palindrome (253325363523352).

The spelling of 121123033202231 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, thirty-three million, two hundred two thousand, two hundred thirty-one".