121120002121103 has 2 divisors, whose sum is σ = 121120002121104. Its totient is φ = 121120002121102.

The previous prime is 121120002121073. The next prime is 121120002121141. The reversal of 121120002121103 is 301121200021121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121120002121103 - 2⁸ = 121120002120847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120002121303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560001060551 + 60560001060552.

It is an arithmetic number, because the mean of its divisors is an integer number (60560001060552).

Almost surely, 2^{121120002121103} is an apocalyptic number.

121120002121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120002121103 is an equidigital number, since it uses as much as digits as its factorization.

121120002121103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121120002121103 its reverse (301121200021121), we get a palindrome (422241202142224).

The spelling of 121120002121103 in words is "one hundred twenty-one trillion, one hundred twenty billion, two million, one hundred twenty-one thousand, one hundred three".