121031002233121 has 4 divisors (see below), whose sum is σ = 121031027676352. Its totient is φ = 121030976789892.

The previous prime is 121031002233049. The next prime is 121031002233181. The reversal of 121031002233121 is 121332200130121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121031002233121 - 2¹⁹ = 121031001708833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121031002233092 and 121031002233101.

It is not an unprimeable number, because it can be changed into a prime (121031002233181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3221421 + ... + 15888346.

It is an arithmetic number, because the mean of its divisors is an integer number (30257756919088).

Almost surely, 2^{121031002233121} is an apocalyptic number.

It is an amenable number.

121031002233121 is a deficient number, since it is larger than the sum of its proper divisors (25443231).

121031002233121 is an equidigital number, since it uses as much as digits as its factorization.

121031002233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25443230.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121031002233121 its reverse (121332200130121), we get a palindrome (242363202363242).

The spelling of 121031002233121 in words is "one hundred twenty-one trillion, thirty-one billion, two million, two hundred thirty-three thousand, one hundred twenty-one".