121002133031223 has 4 divisors (see below), whose sum is σ = 161336177374968. Its totient is φ = 80668088687480.

The previous prime is 121002133031159. The next prime is 121002133031281. The reversal of 121002133031223 is 322130331200121.

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

It is a cyclic number.

It is not a de Polignac number, because 121002133031223 - 2⁶ = 121002133031159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121002133031193 and 121002133031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002133038223) 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, 20167022171868 + ... + 20167022171873.

It is an arithmetic number, because the mean of its divisors is an integer number (40334044343742).

Almost surely, 2^{121002133031223} is an apocalyptic number.

121002133031223 is a deficient number, since it is larger than the sum of its proper divisors (40334044343745).

121002133031223 is an equidigital number, since it uses as much as digits as its factorization.

121002133031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40334044343744.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121002133031223 its reverse (322130331200121), we get a palindrome (443132464231344).

The spelling of 121002133031223 in words is "one hundred twenty-one trillion, two billion, one hundred thirty-three million, thirty-one thousand, two hundred twenty-three".