121031002233331 has 4 divisors (see below), whose sum is σ = 123082375152600. Its totient is φ = 118979629314064.

The previous prime is 121031002233259. The next prime is 121031002233373. The reversal of 121031002233331 is 133332200130121.

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 121031002233331 - 2²⁹ = 121030465362419 is a prime.

It is a super-2 number, since 2×121031002233331² (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 = 121031002233296 and 121031002233305.

It is not an unprimeable number, because it can be changed into a prime (121031002233431) 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, 1025686459546 + ... + 1025686459663.

It is an arithmetic number, because the mean of its divisors is an integer number (30770593788150).

Almost surely, 2^{121031002233331} is an apocalyptic number.

121031002233331 is a deficient number, since it is larger than the sum of its proper divisors (2051372919269).

121031002233331 is an equidigital number, since it uses as much as digits as its factorization.

121031002233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051372919268.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121031002233331 its reverse (133332200130121), we get a palindrome (254363202363452).

The spelling of 121031002233331 in words is "one hundred twenty-one trillion, thirty-one billion, two million, two hundred thirty-three thousand, three hundred thirty-one".