121001222029 has 2 divisors, whose sum is σ = 121001222030. Its totient is φ = 121001222028.

The previous prime is 121001221987. The next prime is 121001222039. The reversal of 121001222029 is 920222100121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111671593929 + 9329628100 = 334173^2 + 96590^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001222029 - 2¹⁷ = 121001090957 is a prime.

It is a super-2 number, since 2×121001222029² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121001222039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500611014 + 60500611015.

It is an arithmetic number, because the mean of its divisors is an integer number (60500611015).

Almost surely, 2^121001222029 is an apocalyptic number.

It is an amenable number.

121001222029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001222029 is an equidigital number, since it uses as much as digits as its factorization.

121001222029 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 121001222029 in words is "one hundred twenty-one billion, one million, two hundred twenty-two thousand, twenty-nine".