121210022029 has 2 divisors, whose sum is σ = 121210022030. Its totient is φ = 121210022028.

The previous prime is 121210021987. The next prime is 121210022107. The reversal of 121210022029 is 920220012121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101427599529 + 19782422500 = 318477^2 + 140650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121210022029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210023029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605011014 + 60605011015.

It is an arithmetic number, because the mean of its divisors is an integer number (60605011015).

Almost surely, 2^121210022029 is an apocalyptic number.

It is an amenable number.

121210022029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210022029 is an equidigital number, since it uses as much as digits as its factorization.

121210022029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 121210022029 in words is "one hundred twenty-one billion, two hundred ten million, twenty-two thousand, twenty-nine".