121002223112231 has 4 divisors (see below), whose sum is σ = 121303974292464. Its totient is φ = 120700471932000.

The previous prime is 121002223112167. The next prime is 121002223112237. The reversal of 121002223112231 is 132211322200121.

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 121002223112231 - 2⁶ = 121002223112167 is a prime.

It is a super-2 number, since 2×121002223112231² (a number of 29 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 = 121002223112197 and 121002223112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002223112237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150875589515 + ... + 150875590316.

It is an arithmetic number, because the mean of its divisors is an integer number (30325993573116).

Almost surely, 2^{121002223112231} is an apocalyptic number.

121002223112231 is a deficient number, since it is larger than the sum of its proper divisors (301751180233).

121002223112231 is an equidigital number, since it uses as much as digits as its factorization.

121002223112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301751180232.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121002223112231 its reverse (132211322200121), we get a palindrome (253213545312352).

The spelling of 121002223112231 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-three million, one hundred twelve thousand, two hundred thirty-one".