121120202112029 has 2 divisors, whose sum is σ = 121120202112030. Its totient is φ = 121120202112028.

The previous prime is 121120202111999. The next prime is 121120202112031. The reversal of 121120202112029 is 920211202021121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116061256487929 + 5058945624100 = 10773173^2 + 2249210^2 .

It is a cyclic number.

It is not a de Polignac number, because 121120202112029 - 2³² = 121115907144733 is a prime.

Together with 121120202112031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121120202111989 and 121120202112007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120202114029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560101056014 + 60560101056015.

It is an arithmetic number, because the mean of its divisors is an integer number (60560101056015).

Almost surely, 2^{121120202112029} is an apocalyptic number.

It is an amenable number.

121120202112029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120202112029 is an equidigital number, since it uses as much as digits as its factorization.

121120202112029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 121120202112029 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred two million, one hundred twelve thousand, twenty-nine".